Add missing room-manager dependency

Author: PiotrWodecki

poetry.lock

@@ -18,6 +18,7 @@ python-dateutil = "^2.8.2"
 betterproto = "2.0.0b6"
 httpx = ">=0.20.0,<0.26.0"
 attrs = ">=21.3.0"
+flask-cors = "^6.0.1"
 
 [tool.poetry.group.dev.dependencies]
 betterproto = { version = "= 2.0.0b6", extras = ["compiler"] }