DISTPG-201 Added a copyright doc

Anastasia Alexadrova · Anastasia Alexadrova · commit 0b0ff6a5cb68 · 2021-04-07T12:44:17.000+03:00
added: source/copyright.rst
diff --git a/source/licensing.rst b/source/licensing.rst
@@ -0,0 +1,10 @@
+===================================
+Licensing 
+===================================
+
+Percona Distribution for PostgreSQL is licensed under the `PostgreSQL license <https://opensource.org/licenses/postgresql>`_ and licenses of all components included in the Distribution. 
+
+Documentation Licensing
+==========================
+
+Percona Distribution for PostgreSQL documentation is licensed under the `PostgreSQL license <https://opensource.org/licenses/postgresql>`_.
