fixed ios build support

package.json

@@ -3,6 +3,13 @@
   "version": "0.1.0",
   "description": "Cordova utilities for WiFi, Firebase Cloud Messaging, and biometric unlock for OutSystems 11 apps.",
   "license": "MIT",
+  "files": [
+    "plugin.xml",
+    "src/",
+    "www/",
+    "README.md",
+    "LICENSE"
+  ],
   "cordova": {
     "id": "bluememe-utils",
     "platforms": [