Release instructions

Author: nicoloboschi

RELEASE.md

@@ -0,0 +1,16 @@
+# Release
+
+## Cut a new release
+
+1. Move to the release version the following files:
+- `gradle.properties`: _version_ entry
+- `connector/src/main/resources/cassandra-source-version.properties`
+- `docs/antora.yml`: _version_ and _display_version_
+
+2. Add [release notes](https://github.com/datastax/cdc-apache-cassandra/blob/master/CDC_Release_Notes.md).
+
+3. ```
+   git add -A 
+   git commit -m "Release <version>"
+   git push
+   ```