add LICENSE (#23)

LICENSE

@@ -0,0 +1,169 @@
+Business Source License 1.1
+
+License text copyright (c) 2017 MariaDB Corporation Ab, All Rights Reserved.
+"Business Source License" is a trademark of MariaDB Corporation Ab.
+
+
+-----------------------------------------------------------------------------
+
+Parameters
+
+Licensor:             Babylon Labs Ltd.
+
+Licensed Work:        Finality Gadget
+                      The Licensed Work is (c) 2024 Babylon Labs Ltd.
+
+Additional Use Grant:
+
+In addition to the uses permitted under the non-production license below,
+we grant you a limited, non-exclusive, non-transferable, non-sublicensable,
+revocable license, limited as set forth below, to use the Licensed Work
+in this repository for production commercial uses built on or using and integrated
+with the Babylon Protocol, not including Competing Uses.
+
+Any use beyond the scope of this license, including uses that are not built on or
+using and integrated with the Babylon Protocol, or are Competing Uses,
+will terminate this license to you, automatically and without notice.
+
+This License applies separately and solely to the specific versions of the Licensed Work
+in the specified repository on or before the date of this License, and we may require a
+different license and different provisions for each subsequent version of the
+Licensed Work released by us.
+
+"Babylon Labs", "we", "our", or "us" means Babylon Labs Ltd.
+
+"Babylon Protocol" means the Bitcoin staking protocol as further described in the documentation
+here (https://docs.babylonlabs.io/docs/introduction/babylon-overview), as updated from time to time.
+
+"Competing Use" means any use of the Licensed Work in any product, software, protocol, network,
+application, or service that is made available to any party and that
+(i) substitutes for the use of the Babylon Protocol,
+(ii) offers the same or substantially similar functionality as the Babylon Protocol or
+(iii) is built on or uses a protocol with substantially similar functionality as the Babylon Protocol
+or otherwise facilitates the staking of bitcoin other than by utilizing the Babylon Protocol.
+
+The provisions in this License apply to each individual, entity, group, or association
+(each and collectively, "you" or "your") who uses the Licensed Work for production,
+and you agree to such provisions. Your production use of the Licensed Work is conditional on your
+agreement to this License. If you do not agree and consent to be bound to this License,
+do not so use the Software.
+
+If you do not fall within the limited scope of this license as described above or below,
+or are otherwise not in strict compliance with this License, then this production license does not
+extend to you and does not grant you any production use, including any copying, distributing, or
+making any derivative use of the Licensed Work for production purposes.
+
+Limited Scope of License. Your commercial production license to the Licensed Work
+under this License does not extend to any use:
+
+1.  unless you have legal capacity to consent and agree to be bound by this License;
+2.  unless you have the technical knowledge necessary or advisable to understand and evaluate the
+    risks of using the Licensed Work and the Babylon Protocol;
+3.  if you are a resident or agent of, or an entity organized, incorporated or doing business in,
+    Afghanistan, Belarus, Bosnia and Herzegovina, Burundi, Central African Republic, Crimea, Cuba,
+    Democratic People's Republic of Korea, Democratic Republic of the Congo,
+    Donetsk or Luhansk Regions of Ukraine, Eritrea, Guinea, Guinea-Bissau, Haiti, Iran, Iraq, Lebanon,
+    Libya, Mali, Myanmar, Nicaragua, Russia, Somalia, South Sudan, Sudan, Syria, Venezuela, Yemen,
+    or Zimbabwe or any other country to which the United States, the United Kingdom,
+    the European Union or any of its member states or the United Nations or any of its member states
+    (collectively, the "Major Jurisdictions") embargoes goods or imposes sanctions
+    (such embargoed or sanctioned territories, collectively, the "Restricted Territories");
+4.  if you are, or if you directly or indirectly own or control, from any person or entity that is
+    listed on any sanctions list or equivalent maintained by any of the Major Jurisdictions
+    (collectively, "Sanctions Lists Persons");
+5.  to transact in or with any Restricted Territories or Sanctions List Persons;
+6.  if you are a U.S. Person as defined in 17 CFR § 230.902, or currently or ordinarily located or
+    resident in (or incorporated or organized in) the United States of America, Canada, or
+    Australia (collectively, "Excluded Jurisdictions"), or to transact in or with Excluded Jurisdictions;
+7.  to defraud, or otherwise materially mislead, any person;
+8.  in violation of applicable laws, rules or regulations in your relevant jurisdiction;
+9.  that circumvents any sanctions or export controls targeting you or the country or territory where
+    you are located; or
+10. in any activity that transmits, exchanges, or is otherwise supported by the direct or indirect
+    proceeds of criminal or fraudulent activity.
+
+Any production use of the Licensed Work by you confirms your agreement to the foregoing limitations,
+and your understanding and agreement that they are limitations and not restrictions.
+
+Change Date:          2027-01-20 (January 20th, 2027)
+
+Change License:       Apache 2.0
+
+-----------------------------------------------------------------------------
+
+Terms
+
+The Licensor hereby grants you the right to copy, modify, create derivative
+works, redistribute, and make non-production use of the Licensed Work. The
+Licensor may make an Additional Use Grant, above, permitting limited
+production use.
+
+Effective on the Change Date, or the fourth anniversary of the first publicly
+available distribution of a specific version of the Licensed Work under this
+License, whichever comes first, the Licensor hereby grants you rights under
+the terms of the Change License, and the rights granted in the paragraph
+above terminate.
+
+If your use of the Licensed Work does not comply with the requirements
+currently in effect as described in this License, you must purchase a
+commercial license from the Licensor, its affiliated entities, or authorized
+resellers, or you must refrain from using the Licensed Work.
+
+All copies of the original and modified Licensed Work, and derivative works
+of the Licensed Work, are subject to this License. This License applies
+separately for each version of the Licensed Work and the Change Date may vary
+for each version of the Licensed Work released by Licensor.
+
+You must conspicuously display this License on each original or modified copy
+of the Licensed Work. If you receive the Licensed Work in original or
+modified form from a third party, the terms and conditions set forth in this
+License apply to your use of that work.
+
+Any use of the Licensed Work in violation of this License will automatically
+terminate your rights under this License for the current and all other
+versions of the Licensed Work.
+
+This License does not grant you any right in any trademark or logo of
+Licensor or its affiliates (provided that you may use a trademark or logo of
+Licensor as expressly required by this License).
+
+TO THE EXTENT PERMITTED BY APPLICABLE LAW, THE LICENSED WORK IS PROVIDED ON
+AN "AS IS" BASIS. LICENSOR HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS,
+EXPRESS OR IMPLIED, INCLUDING (WITHOUT LIMITATION) WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, AND
+TITLE.
+
+MariaDB hereby grants you permission to use this License’s text to license
+your works, and to refer to it using the trademark "Business Source License",
+as long as you comply with the Covenants of Licensor below.
+
+-----------------------------------------------------------------------------
+
+Covenants of Licensor
+
+In consideration of the right to use this License’s text and the "Business
+Source License" name and trademark, Licensor covenants to MariaDB, and to all
+other recipients of the licensed work to be provided by Licensor:
+
+1. To specify as the Change License the GPL Version 2.0 or any later version,
+   or a license that is compatible with GPL Version 2.0 or a later version,
+   where "compatible" means that software provided under the Change License can
+   be included in a program with software provided under GPL Version 2.0 or a
+   later version. Licensor may specify additional Change Licenses without
+   limitation.
+
+2. To either: (a) specify an additional grant of rights to use that does not
+   impose any additional restriction on the right granted in this License, as
+   the Additional Use Grant; or (b) insert the text "None".
+
+3. To specify a Change Date.
+
+4. Not to modify this License in any other way.
+
+-----------------------------------------------------------------------------
+
+Notice
+
+The Business Source License (this document, or the "License") is not an Open
+Source license. However, the Licensed Work will eventually be made available
+under an Open Source License, as stated in this License.