add block permissions

Author: felixevers

apps/mobile/app.json

@@ -27,7 +27,12 @@
       "backgroundColor": "#057986",
       "edgeToEdgeEnabled": true,
       "predictiveBackGestureEnabled": false,
-      "package": "de.helpwave.appzumdoc"
+      "package": "de.helpwave.appzumdoc",
+      "blockedPermissions": [
+        "android.permission.READ_EXTERNAL_STORAGE",
+        "android.permission.WRITE_EXTERNAL_STORAGE",
+        "android.permission.SYSTEM_ALERT_WINDOW"
+      ]
     },
     "web": {
       "output": "static",