feat: live collaboration

server.js

@@ -72,6 +72,14 @@ io.on('connection', (socket) => {
     socket.to(data.room).emit('flip-all-cards', data);
   });
 
+  socket.on('shuffle-mode-change', (data) => {
+    socket.to(data.room).emit('shuffle-mode-change', data);
+  });
+
+  socket.on('import-canvas', (data) => {
+    socket.to(data.room).emit('import-canvas', data);
+  });
+
   socket.on('disconnect', () => {
     console.log('user disconnected');
   });