docs: restructure docs page (#950)

docs_src/src/pages/documentation/api_reference/advanced_features.mdx

@@ -23,6 +23,16 @@ Batman scaled his application across multiple cores for better performance. He u
     async def h(request):
         return f"hello to you, {request.ip_addr}"
 
+    ```
+    ```python {{ title: 'typed' }}  
+    from robyn import Robyn, Request
+
+    app = Robyn(__file__)
+
+    @app.get("/")
+    async def h(request: Request):
+        return f"hello to you, {request.ip_addr}"
+
     ```
 
     </CodeGroup>
@@ -38,7 +48,7 @@ Batman wondered about how to help users explore the endpoints in his application
 
 Robyn showed him the OpenAPI Documentation!
 
-[Multitiprocess Execution](/documentation/api_reference/openapi)
+[OpenAPI Documentation](/documentation/api_reference/openapi)
 
 
 

docs_src/src/pages/documentation/api_reference/scaling.mdx

@@ -23,7 +23,7 @@ Batman scaled his application across multiple cores for better performance. He u
 
 ## What's next?
 
-Now, Batman wanted to extend Robyn. Robyn told him about the plugins.
+Now, Batman wanted to extend Robyn. Robyn told him about the advanced features.
 
-- [Plugins](/documentation/plugins)
+- [Advanced Features](/documentation/advanced_features)