chore: private demo package

Author: farfromrefug

demo/package.json

@@ -1,4 +1,5 @@
 {
+  "private": true,
   "dependencies": {
     "@nativescript-community/ble": "*",
     "@nativescript/core": "8.5.7"
@@ -11,4 +12,4 @@
     "typescript": "5.3.3"
   },
   "main": "app/app"
-}
+}