Add some links to MkDocs

docs/index.md

@@ -15,3 +15,11 @@ and either open an issue or start a MR (merge request) to propose your changes.
 - [Our homepage](https://www.bitegra-solutions.de/en)
 - [Imprint](https://www.bitegra-solutions.de/en/node/21)
 - [Chat channel](https://mattermost.lakedrops.com/paragon/channels/devop-tools)
+
+## Links helpful MkDocs resources
+
+- [Configuration](https://www.mkdocs.org/user-guide/configuration/)
+- [Writing documentation](https://www.mkdocs.org/user-guide/writing-your-docs/)
+    - [Links](https://www.mkdocs.org/user-guide/writing-your-docs/#internal-links)
+    - [Meta-Data](https://www.mkdocs.org/user-guide/writing-your-docs/#yaml-style-meta-data)
+    - [Tables](https://www.mkdocs.org/user-guide/writing-your-docs/#tables)