Add: PostgreSQL read-only mirroring using dockerhub images.

CHANGELOG.md

@@ -3,8 +3,14 @@
 This release adds following new features:
 
 * Make Due Date layout nicer on minicard.
-
-Thanks to GitHub user whittssg2 for his contributions.
+* Wekan <=> MongoDB <=> ToroDB => PostgreSQL read-only
+  mirroring for SQL access with any programming language
+  or Office package that has PostgreSQL support, like
+  newest LibreOffice 3.5:
+  https://github.com/wekan/wekan-postgresql
+
+Thanks to GitHub users whittssg2 and xet7 for their
+contributions.
 
 # v0.11.1-rc1 2017-02-10 Wekan prerelease
 

README.md

@@ -90,6 +90,12 @@ Docker example, running latest Wekan using docker-compose:
 sudo docker-compose pull && sudo docker-compose up -d --no-build
 ```
 
+#### PostgreSQL read-only mirroring using dockerhub images
+
+[Wekan <=> MongoDB <=> ToroDB => PostgreSQL read-only mirroring for SQL access
+with any programming language or Office package that has PostgreSQL support, like
+newest LibreOffice 3.5][wekan_postgresql].
+
 #### Running from locally built dockerhub images
 ```
 sudo docker-compose up -d --build
@@ -186,3 +192,4 @@ with [Meteor](https://www.meteor.com).
 [autoinstall_issue]: https://github.com/anselal/wekan/issues/18
 [dev_docs]: https://github.com/wekan/wekan/wiki/Developer-Documentation
 [donations]: http://www.xet7.org/wekan
+[wekan_postgresql]: https://github.com/wekan/wekan-postgresql