@techee
Yep, done in #3651
Except for the "ticklist of filetypes to add", or *task*list, which GitHub [can automatically generate][0] for list items with a "tick box" beside them, e.g.
~~~markdown - [ ] Needs a tick <!-- note the single space --> - [X] Ticked! ~~~
[0]: https://docs.github.com/en/issues/managing-your-tasks-with-tasklists/creatin...