[PWA] Useful website

The step...

1. Host my application using github or ngrok https://ngrok.com/ (for running the exe file, i used powershell)
2. Go to this website: https://www.pwabuilder.com/ it will check my application is enough for PWA
3. It will show my application is not enough 3-1. Create manifest.json and service worker using that website 3-2. Also recommend this: https://manifest-gen.netlify.app/ 3-3. The netlify is better when creating manifest.json file.
4. Downloading a new package from https://www.pwabuilder.com/ after being done of creating needed files and move to my application folder.
5. Following this step: https://github.com/pwa-builder/pwabuilder-web/blob/V2/src/assets/next-steps.md
6. and test it again and it will show my application is enough for PWA