Added inter docs

Author: syrusakbary

docs/conf.py

@@ -440,4 +440,10 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {
+    'https://docs.python.org/': None,
+    'python': ('https://docs.python.org/', None),
+    'graphene_django': ('http://docs.graphene-python.org/projects/django/en/latest/', None),
+    'graphene_sqlalchemy': ('http://docs.graphene-python.org/projects/sqlalchemy/en/latest/', None),
+    'graphene_gae': ('http://docs.graphene-python.org/projects/gae/en/latest/', None),
+}

docs/index.rst

@@ -9,3 +9,10 @@ Contents:
    quickstart
    types/index
    relay/index
+
+Integrations
+-----
+
+* `Graphene-Django <http://docs.graphene-python.org/projects/django/en/latest/>`_ (`source <https://github.com/graphql-python/graphene-django/>`_)
+* `Graphene-SQLAlchemy <http://docs.graphene-python.org/projects/sqlalchemy/en/latest/>`_ (`source <https://github.com/graphql-python/graphene-sqlalchemy/>`_)
+* `Graphene-GAE <http://docs.graphene-python.org/projects/gae/en/latest/>`_ (`source <https://github.com/graphql-python/graphene-gae/>`_)