multicast/broadcast support

Example/unityudp_projects.json

@@ -75,6 +75,27 @@
       "name": "Change Color Green",
       "data": "{\"command\":\"change_color\",\"value\":\"green\"}",
       "ipAddress": "127.0.0.1"
+    },
+    {
+      "id": "cmd-013",
+      "name": "Broadcast: Toggle All Cubes",
+      "data": "{\"command\":\"toggle_cube\"}",
+      "ipAddresses": [],
+      "isBroadcast": true
+    },
+    {
+      "id": "cmd-014",
+      "name": "Multi-IP: Start Timers",
+      "data": "{\"command\":\"start_timer\",\"value\":\"10\"}",
+      "ipAddresses": ["127.0.0.1", "192.168.1.100", "192.168.1.101"],
+      "isBroadcast": false
+    },
+    {
+      "id": "cmd-015",
+      "name": "Broadcast: Reset All Scenes",
+      "data": "{\"command\":\"reset_scene\"}",
+      "ipAddresses": [],
+      "isBroadcast": true
     }
   ]
 }