chore!: dist files optimizations (sw asset name changes) (#97)

* chore: gzip compression only on prod builds

- dont gzip html files

* feat: npm run analyze to see bundle info

* chore: temporarily disable deleting original assets

* tmp: some _redirects ideas...

* chore: add terser. remove node-polyfills-plugin

* chore: chunk optimizing

* chore: remove empty file

* chore: remove webpack compression plugin

* chore: revert _redirects changes

* chore!: since name is changing, adding prefix to assets now

* fix: use the same names for dev & prod

* chore: webpack config cleanup

* chore: remove unnecessary splitChunks config