chore: add postinstall and postupdate scripts to handle regions.json download

Author: nadeem-cs

package.json

@@ -30,7 +30,9 @@
     "prepublishOnly": "npm test",
     "pre-commit": "husky install && husky && chmod +x .husky/pre-commit && ./.husky/pre-commit",
     "version": "npm run format && git add -A src",
-    "postversion": "git push && git push --tags"
+    "postversion": "git push && git push --tags",
+    "postinstall": "curl -s --max-time 30 --fail https://artifacts.contentstack.com/regions.json -o regions.json || echo 'Warning: Failed to download regions.json, using existing file if available'",
+    "postupdate": "curl -s --max-time 30 --fail https://artifacts.contentstack.com/regions.json -o regions.json || echo 'Warning: Failed to download regions.json, using existing file if available'"
   },
   "author": "Contentstack",
   "license": "MIT",