feat: perform websocket deployment test

.deployment

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+[config]
+SCM_DO_BUILD_DURING_DEPLOYMENT=true

.vscode/settings.json

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+{
+    "appService.zipIgnorePattern": [
+        "__pycache__{,/**}",
+        "*.py[cod]",
+        "*$py.class",
+        ".Python{,/**}",
+        "build{,/**}",
+        "develop-eggs{,/**}",
+        "dist{,/**}",
+        "downloads{,/**}",
+        "eggs{,/**}",
+        ".eggs{,/**}",
+        "lib{,/**}",
+        "lib64{,/**}",
+        "parts{,/**}",
+        "sdist{,/**}",
+        "var{,/**}",
+        "wheels{,/**}",
+        "share/python-wheels{,/**}",
+        "*.egg-info{,/**}",
+        ".installed.cfg",
+        "*.egg",
+        "MANIFEST",
+        ".env{,/**}",
+        ".venv{,/**}",
+        "env{,/**}",
+        "venv{,/**}",
+        "ENV{,/**}",
+        "env.bak{,/**}",
+        "venv.bak{,/**}",
+        ".vscode{,/**}"
+    ],
+    "appService.defaultWebAppToDeploy": "/subscriptions/9d2f9730-65d4-42dc-8afb-182b07ec8d83/resourceGroups/development/providers/Microsoft.Web/sites/tetris-clone",
+    "appService.deploySubpath": "."
+}

__init__.py

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+#!/usr/bin/env python
+
+import asyncio
+import websockets
+
+async def echo(websocket, path):
+    async for message in websocket:
+        await websocket.send(message)
+
+asyncio.get_event_loop().run_until_complete(
+    websockets.serve(echo, 'tetris-clone.azurewebsites.net', 5000))
+print("starting websocket...")
+asyncio.get_event_loop().run_forever()