feat: add git_config to scope_languages

fix: highlight from extmark hook

fix lukas-reineke#814

feat: handle `breakindentopt` for repeat indent

fix: scope highlight from extmark hook

fix lukas-reineke#808

fix: scope start padding

fix: move some scope calculations out of main loop (lukas-reineke#795)

fix: move some scope calculations out of main loop

refactor: change tbl_contains to direct check

refactor: debounce

There is a small race condition where this could lead the multiple calls
of refresh.

refactor: implement own version of vim.tbl_* without validate

Most of the vim.tbl_* functions internally validate the input. This can
be very expensive for hot loops.
This implements an internal version of those functions without
validation.

fix lukas-reineke#776

fix: foldtextresult for inactive buffer