Updated main documentation mentioning SQLAlchemy support

Author: syrusakbary

README.md

@@ -7,6 +7,7 @@
 - **Relay:** Graphene has builtin support for Relay
 - **Django:** Automatic *Django model* mapping to Graphene Types. Check a fully working [Django](http://github.com/graphql-python/swapi-graphene) implementation
 
+Graphene also supports *SQLAlchemy*!
 
 *What is supported in this Python version?* **Everything**: Interfaces, ObjectTypes, Scalars, Unions and Relay (Nodes, Connections), in addition to queries, mutations and subscriptions.
 
@@ -18,8 +19,10 @@ For instaling graphene, just run this command in your shell
 
 ```bash
 pip install graphene
-# Or in case of need Django model support
+# In case of need Django model support
 pip install graphene[django]
+# Or in case of need SQLAlchemy support
+pip install graphene[sqlalchemy]
 ```
 
 
@@ -59,6 +62,7 @@ If you want to learn even more, you can also check the following [examples](exam
 * **Basic Schema**: [Starwars example](examples/starwars)
 * **Relay Schema**: [Starwars Relay example](examples/starwars_relay)
 * **Django model mapping**: [Starwars Django example](examples/starwars_django)
+* **SQLAlchemy model mapping**: [Flask SQLAlchemy example](examples/flask_sqlalchemy)
 
 
 ## Contributing

README.rst

@@ -12,6 +12,8 @@ building GraphQL schemas/types fast and easily.
    `Django <http://github.com/graphql-python/swapi-graphene>`__
    implementation
 
+Graphene also supports *SQLAlchemy*!
+
 *What is supported in this Python version?* **Everything**: Interfaces,
 ObjectTypes, Scalars, Unions and Relay (Nodes, Connections), in addition
 to queries, mutations and subscriptions.
@@ -27,8 +29,10 @@ For instaling graphene, just run this command in your shell
 .. code:: bash
 
     pip install graphene
-    # Or in case of need Django model support
+    # In case of need Django model support
     pip install graphene[django]
+    # Or in case of need SQLAlchemy support
+    pip install graphene[sqlalchemy]
 
 Examples
 --------
@@ -70,6 +74,8 @@ If you want to learn even more, you can also check the following
    example <examples/starwars_relay>`__
 -  **Django model mapping**: `Starwars Django
    example <examples/starwars_django>`__
+-  **SQLAlchemy model mapping**: `Flask SQLAlchemy
+   example <examples/flask_sqlalchemy>`__
 
 Contributing
 ------------