change request endpoints to async

requirements.txt

@@ -1,3 +1,4 @@
+asgiref==3.8.1
 blinker==1.9.0
 click==8.1.8
 Flask==3.1.0

server/Server.py

@@ -28,35 +28,35 @@ class Server:
     self.app = Flask("Battlesnake")
 
     @self.app.get("/")
-    def on_info():
+    async def on_info():
       return self._info()
 
     @self.app.post("/start")
-    def on_start():
+    async def on_start():
       game_state = request.get_json()
       self._start(game_state)
       return "ok"
 
     @self.app.post("/move")
-    def on_move():
+    async def on_move():
       game_state = request.get_json()
       return self._move(game_state)
 
     @self.app.post("/end")
-    def on_end():
+    async def on_end():
       game_state = request.get_json()
       self._end(game_state)
       return "ok"
 
     @self.app.after_request
-    def identify_server(response):
+    async def identify_server(response):
       response.headers.set(
         "server", "battlesnake/github/starter-snake-python"
       )
       return response
 
     @self.app.get("/cleanup")
-    def cleanup():
+    async def cleanup():
       results = self._cleanup_database()
       return jsonify(data=json.loads(results), status=200)