reforis-openvpn: update to version 2.0.0
- Add & update Weblate translations
- Update Makefile
- Update dependencies in package.json
- Update Node.js to v21.x in Makefile
- Update ESLint and Prettier configurations
- Update .gitignore to exclude minified JS files and license files
- Update webpack.config.js with process/browser alias
- Update CI to use shared scripts, build and publish Python package
- Change build system to Hatch
- Replace Pylint & Pycodestyle for Ruff
- Remove MANIFEST.in
- NPM audit fix