add auto-doc support

docs/sanic/request_data.md

@@ -117,3 +117,11 @@ args.get('titles') # => 'Post 1'
 
 args.getlist('titles') # => ['Post 1', 'Post 2']
 ```
+
+
+## Full API Reference
+
+```eval_rst
+.. autoclass:: sanic.request.Request
+    :members: json, token, form, files, args, raw_args, cookies, ip, scheme, host, content_type, path, query_string, url
+```

docs/sanic/response.md

@@ -110,3 +110,11 @@ def handle_request(request):
         status=200
     )
 ```
+
+
+## Full API Reference
+
+```eval_rst
+.. automodule:: sanic.response
+    :members: json, text, raw, html, file, file_stream, stream, redirect
+```

docs/sanic/routing.md

@@ -214,4 +214,3 @@ and `recv` methods to send and receive data respectively.
 
 WebSocket support requires the [websockets](https://github.com/aaugustin/websockets)
 package by Aymeric Augustin.
-