Add room range

backend/src/room.py

@@ -34,6 +34,7 @@ class Room:
     name: str
     pin: int | None
     tags: set[str]
+    range_size: int  # in meters ??
 
     songs: dict[str, UserScoredSong]  # all songs + user score (the playlist)
     history: list[Song]  # all songs previously played
@@ -125,6 +126,7 @@ def test_algo():
         "test",
         None,
         set(["rock", "rap"]),
+        100,
         {
             "paulham": (songs[0], 7),
             "cisco": (songs[1], 5),