Integrate a remote playtesting front-end

board-server/src/room.rs

@@ -72,6 +72,7 @@ impl Room {
                 .map(|p| (p.name.clone(), p.score, p.ws.is_some()))
                 .collect(),
             active_player: self.active_player,
+            has_started: self.has_started,
         })?;
 
         Ok(())