Actually add GUILD_SYNC

src/client/websocket/packets/handlers/GuildSync.js

@@ -0,0 +1,14 @@
+const AbstractHandler = require('./AbstractHandler');
+
+class GuildSyncHandler extends AbstractHandler {
+
+  handle(packet) {
+    const data = packet.d;
+    const client = this.packetManager.client;
+
+    client.actions.GuildSync.handle(data);
+  }
+
+}
+
+module.exports = GuildSyncHandler;