Update getting-started.md (#175)

Add __name__ == "__main__" clauses and a make_app function so that the app can be run with the CLI too.

docs/getting-started.md

@@ -8,10 +8,14 @@ Hello world app
 ```python
 from socketify import App
 
-app = App()
-app.get("/", lambda res, req: res.end("Hello World socketify from Python!"))
-app.listen(3000, lambda config: print("Listening on port http://localhost:%d now\n" % config.port))
-app.run()
+def make_app(app: App):
+    app.get("/", lambda res, req: res.end("Hello World socketify from Python!"))
+
+if __name__ == "__main__":
+    app = App()
+    make_app(app)
+    app.listen(3000, lambda config: print("Listening on port http://localhost:%d now\n" % config.port))
+    app.run()
 ```
 > This example just show how intuitive is to start an simple hello world app.
 
@@ -19,10 +23,13 @@ SSL version sample
 ``` python
 from socketify import App, AppOptions
 
-app = App(AppOptions(key_file_name="./misc/key.pem", cert_file_name="./misc/cert.pem", passphrase="1234"))
-app.get("/", lambda res, req: res.end("Hello World socketify from Python!"))
-app.listen(3000, lambda config: print("Listening on port http://localhost:%d now\n" % config.port))
-app.run()
+def make_app(app):
+    app.get("/", lambda res, req: res.end("Hello World socketify from Python!"))
+
+if __name__ == "__main__":
+    app = App(AppOptions(key_file_name="./misc/key.pem", cert_file_name="./misc/cert.pem", passphrase="1234"))
+    app.listen(3000, lambda config: print("Listening on port http://localhost:%d now\n" % config.port))
+    app.run()
 ```
 
 > We have a lot of SSL options, but this is the most common you can see all the options in the [API Reference](api.md)
@@ -39,19 +46,24 @@ def ws_message(ws, message, opcode):
     #Ok is false if backpressure was built up, wait for drain
     ok = ws.send(message, opcode)
 
-app = App()    
-app.ws("/*", {
-    'compression': CompressOptions.SHARED_COMPRESSOR,
-    'max_payload_length': 16 * 1024 * 1024,
-    'idle_timeout': 12,
-    'open': ws_open,
-    'message': ws_message,
-    'drain': lambda ws: print('WebSocket backpressure: %i' % ws.get_buffered_amount()),
-    'close': lambda ws, code, message: print('WebSocket closed')
-})
-app.any("/", lambda res,req: res.end("Nothing to see here!'"))
-app.listen(3000, lambda config: print("Listening on port http://localhost:%d now\n" % (config.port)))
-app.run()
+def make_app(app):    
+    app.ws("/*", {
+        'compression': CompressOptions.SHARED_COMPRESSOR,
+        'max_payload_length': 16 * 1024 * 1024,
+        'idle_timeout': 12,
+        'open': ws_open,
+        'message': ws_message,
+        'drain': lambda ws: print('WebSocket backpressure: %i' % ws.get_buffered_amount()),
+        'close': lambda ws, code, message: print('WebSocket closed')
+    })
+    app.any("/", lambda res,req: res.end("Nothing to see here!'"))
+
+
+if __name__ == "__main__":
+    app = App()
+    make_app(app)
+    app.listen(3000, lambda config: print("Listening on port http://localhost:%d now\n" % (config.port)))
+    app.run()
 ```
 
 > We can have multiple routes for WebSockets, but in this example we just get one for anything we need, adding an option of compression using SHARED_COMPRESSOR, max_payload_length of 1mb and an idle timeout of 12s just to show some most commonly used features you can see all these options in the [API Reference](api.md)