fixing index file for docs

Author: alisonpeisker

docs/index.rst docs/index.mddocs/index.rst renamed to docs/index.md

@@ -1,15 +1,10 @@
-DeclaD Documentation
-====================
+## Documentation
 
 DeclaD (Declaration Daemon) is a utility for declaring files and their metadata to data management systems.
 
 Currently, DeclaD supports MetaCat/Rucio and SAM data management systems.
 
-.. toctree::
-   :maxdepth: 2
-   :caption: Contents:
-
-Setting up DeclaD
-Updating DeclaD
-Using DeclaD
-Metadata extractors
+* [Setting up DeclaD](./setup.rst)
+* [Updating DeclaD](./updating.rst)
+* [Using DeclaD](./using.rst)
+* [Metadata extractors](./metadata-extractors.rst)