Update module.json

Author: luke-

module.json

@@ -12,7 +12,7 @@
     "resources/screen2.png",
     "resources/screen3.png"
   ],
-  "version": "1.0.3",
+  "version": "1.0.4",
   "humhub": {
     "minVersion": "1.8"
   }