add bootstrap script to start the server up the same way

asgi.py

@@ -1,15 +1,5 @@
-from server.Server import Server
-import os
+from server.bootstrap import build_server_from_env
 
-server = Server(
-  data_path=os.path.dirname(__file__),
-  snake_type=os.environ.get("SNAKE", "BestBattleSnake"),
-  storage_type=os.environ.get("STORAGE", "LocalStorage"),
-  debug=os.environ.get("DEBUG_SERVER", False),
-  check_tls_security=False,
-)
-
-if os.environ.get("STORE_GAME_HISTORY", None):
-  server.enable_store_game_state()
+server = build_server_from_env(default_snake_type="TemplateSnake")
 
 app = server.app