feat: tuning license before publication

LICENSE

@@ -1,16 +1,37 @@
-HARP is a sidecar proxy service raising reliability, performances, security
-and observability of your application's external API usage.
+License
+=======
+
+HARP Community Edition (or HARP CE) is the open-source core (this repository) for the HARP ecosystem (including both the
+open-source core, the professional and enterprise extensions and third party extensions that did not define their own
+licence).
+
+
+HARP Community Edition (HARP CE)
+::::::::::::::::::::::::::::::::
+
+HARP CE is an API Runtime Proxy, a sidecar service for web applications that helps raising reliability, performances,
+security and observability of your external API usage.
 Copyright (C) 2023-2024  Romain Dorgueil
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU Affero General Public License as
-published by the Free Software Foundation, either version 3 of the
-License, or (at your option) any later version.
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Read the full license: https://www.gnu.org/licenses/lgpl-3.0.txt
+
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Affero General Public License for more details.
+HARP Professional Edition (HARP PE) and Enterprise Edition (HARP EE)
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 
-You should have received a copy of the GNU Affero General Public License
-along with this program.  If not, see <https://www.gnu.org/licenses/>.
+HARP Professional Edition (HARP PE) and Enterprise Edition (HARP EE) are the commercial extensions of HARP CE, and are
+distributed under a commercial license. They are not open-source (although you will get access to the source code if
+you are a professional edition or enterprise edition customer), and are not distributed with this repository.