Update app.py

app.py

@@ -12,7 +12,7 @@ from flask_socketio import SocketIO, emit
 from werkzeug.security import check_password_hash, generate_password_hash
 
 from config import config
-from server_manger import init_server_manager, get_server_manager
+from server_manager import init_server_manager, get_server_manager
 from console_handler import ConsoleHandler
 from player_tracker import PlayerTracker
 from mod_manager import ModManager