add link to new docs location

docs/index.rst

@@ -6,54 +6,7 @@
 Welcome to the Cosmos SDK!
 ==========================
 
-.. image:: graphics/cosmos-sdk-image.png
+This location for our documentation has been deprecated, please see:
-   :height: 250px
-   :width: 500px
-   :align: center
 
-SDK
+- https://cosmos.network/docs/
----
+- 
-
-.. toctree::
-   :maxdepth: 1
-   
-   sdk/install.rst
-   sdk/key-management.rst
-.. sdk/overview.rst # needs to be updated
-.. old/glossary.rst # not completely up to date but has good content
-
-.. Basecoin
-.. --------
-
-.. .. toctree::
-   :maxdepth: 2
-
-.. old/basecoin/basics.rst # has a decent getting-start tutorial that's relatively up to date, should be consolidated with the other getting started doc
-
-.. Extensions
-.. ----------
-
-.. old/basecoin/extensions.rst # probably not worth salvaging
-
-.. Replay Protection
-.. ~~~~~~~~~~~~~~~~~
-
-..   old/replay-protection.rst # not sure if worth salvaging
-
-
-Staking
-~~~~~~~
-
-.. toctree::
-   :maxdepth: 1
-
-   staking/testnet.rst
-.. staking/intro.rst
-.. staking/key-management.rst
-.. staking/local-testnet.rst
-.. staking/public-testnet.rst
-
-.. IBC
-.. ---
-
-.. old/ibc.rst # needs to be updated