Add a lot of extension to language mappings for syntax highlights (#7741)
Add a lot of extension to language mappings for syntax highlights (#7741)

Data partially based on [CodeMirror's meta.js](https://github.com/codemirror/CodeMirror/blob/master/mode/meta.js).

Fixes: https://github.com/go-gitea/gitea/issues/6057
cez81/gitea,lafriks/gitea,vdbt/gitea,typeless/gitea,vCaesar/gitea,sapk-fork/gitea,cez81/gitea,typeless/gitea,go-gitea/gitea,lafriks/gitea,cez81/gitea,typeless/gitea,lafriks/gitea,go-gitea/gitea,vdbt/gitea,typeless/gitea,sapk-fork/gitea,go-gitea/gitea,kubatyszko/gitea,sapk-fork/gitea,kubatyszko/gitea,sapk-fork/gitea,vCaesar/gitea,kubatyszko/gitea