fix: add repository field for npm provenance, make bin executable

Author: gmegidish

package.json

@@ -10,6 +10,7 @@
   ],
   "scripts": {
     "build": "tsc",
+    "postbuild": "chmod +x dist/index.js",
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
@@ -23,5 +24,9 @@
   "engines": {
     "node": ">=16"
   },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mobile-next/create-mobilewright"
+  },
   "license": "MIT"
 }