updated app id

Author: mackuba

manifest.json

@@ -1,8 +1,8 @@
 {
   "name": "Minefield",
-  "id": "minefield",
+  "id": "com.hivewallet.minefield",
   "version": "0.1",
   "author": "",
   "description": "Mienfield Hive client",
   "icon": "minefield-icon.png"
-}
+}