Initial README version

README.md

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+# KrahoDB
+
+KrahoDB is an open-source database designed to support multi-master replication. It is designed on the top of PostgreSQL, providing bidirectional replication, as well as row filtering.
+
+KrahoDB is a PostgreSQL fork. We provide versions based on PostgreSQL 10 and 11. All code is licensed under PostgreSQL license.
+
+![Logo](krahodb.png)
+
+## Installation
+
+The [installation process](https://www.postgresql.org/docs/current/installation.html) is the same as PostgreSQL.
+
+Use one of the branches named `krahodb-X-Y` where `X.Y` is the PostgreSQL version (branch `krahodb-10-10` is based on PostgreSQL `10.10`).
+
+## Usage
+
+Under construction...
+
+## Contributing
+
+Contributions are welcome!
+
+How can you help us?
+
+* open an issue
+    - bug report
+	- feature request
+	- suggestion
+	- portability problem
+* submit a pull request
+
+Before submitting a particular improvement, open an issue to start a discussion about the feature (specially if it is not a trivial change).
+
+Read the [PostgreSQL Coding Conventions](https://www.postgresql.org/docs/current/source.html). It is what we use for KrahoDB. Also, follow the style of the adjacent code! Remove any spurious whitespace (`git diff --color`). We tend to use underscores or Camelcase (prefer the former). Add useful comments (explain a behavior). Avoid "opens a file" comments.
+
+KrahoDB uses [PostgreSQL license](http://www.postgresql.org/about/licence/). By posting a patch (issue or pull request), you agree that your patch can be distributed under the PostgreSQL license.