add introduction before table_of_contents

Author: ssurbhi560

src/index.rst

@@ -3,6 +3,31 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
+conda-forge documentation
+=========================
+
+What is conda-forge?
+--------------------
+
+Conda-forge is a community effort that provides conda packages for a wide range of software.
+
+**Missing a package that you would love to install with conda?**
+
+Chances are we have already packaged it for you. You can `search <https://anaconda.org/>`__ for packages online. Look out for packages provided by our ``conda-forge`` organization.
+
+**Cannot find a package or only outdated versions of a package?** - Everybody is welcome to contribute to our package stack!
+
+- To get started contributing packages see here :ref:`becoming_involved`.
+
+- To see our governance policies, see `here <https://conda-forge.org/docs/orga/governance.html>`_.
+
+- If you find bugs, need help, or want to talk to the developers, use our mailing lists or chat rooms:
+
+  - `GitHub issues <https://github.com/conda-forge/conda-forge.github.io/issues>`_
+  - `Gitter channel <https://gitter.im/conda-forge/conda-forge.github.io>`_
+  - `Mailing list <https://groups.google.com/forum/#!forum/conda-forge>`_
+
+
 Table of Contents
 =================