Add redirect to new docs (#116)

source/index.rst

@@ -1,16 +1,5 @@
-.. image:: ./_static/safe-banner.svg
-    :width: 200px
-    :align: center
-    :alt: Gnosis Safe
-    :class: safe-banner
+.. raw:: html
 
-
-This documentation is deprecated.
-
-
-Please refer to the new Gnosis developer portal instead available at https://docs.gnosis.io/safe.
-
-
-Get in touch via `Discord`_ with any questions you might have.
-
-.. _Discord: https://discordapp.com/invite/FPMRAwK
+    <script type="text/javascript">
+        window.location.replace('https://docs.gnosis.io/safe/');
+    </script>