* Remove IE11 support
With master now on 1.13, it's time to drop IE11 for good. The woff
variants are also in use by Opera Mini but it has even less market share
and I can only imagine how broken the UI is in it.
Fixes: https://github.com/go-gitea/gitea/issues/6147
* update docs
Co-authored-by: techknowlogick <techknowlogick@gitea.io>