Added
- noscript message #39
- .env file support
- robots.txt + sitemap.xml for SEO #37
- schema.org markup about web appt
Changed
- Move css+js+ico in subdirectory 'assets'
- Add revision hash to favicon
- Set appropriate cache-control headers for txt + xml files
Fixed
- support .txt + .xml support to dev server
- favicon reference in error.html