* Outlined new options
* highlight_modified is highlight_opened_files
* prototype with autocmd
* moved modified into glyphs
* show_on_dirs and show_on_open_dirs
* icon placement before & after
* _get_filename_offset
* fixed :wq doesn't update modified indicator
* highlight_modified, signcolumn modified_placement
Refactored to make everything use HighlightedString to remove all the complex `insert_highlight` calculation.
Not tested.
* updated doc to match the reality of no multi char for glyphs.modified
* fixed git signcolumn doesn't show
* fixed highlight_modified gets replaced by highlight_opened_files
* fixed renderer.icons.show.modified = false crash
* updated doc to reflect empty icon not breaking rendering
* removed debounce_delay to implement in a later PR
* doc nit: order placement
* change modified dirs default to be consistent with git
* illegal git & modified placement changed to default
* don't assume icon exist
* nit remove comment
* Noted in doc that glyphs can't have more than 2 characters if in signcolumn
* Don't sign_define if placement isn't signcolumn
Co-authored-by: Alexander Courtis <alex@courtis.org>
* feat: add config option for a tree indent width
add 'indent_width' option to configure visible indent for tree nesting
levels (default is 2).
* add 'bottom' char for a corner extension
* apply stylua formatting
* provide value constraints in documentation
* limit minimal indent width
* make marker symbols have one utf8 char width
* match stylua formatting
* add the commentary regarding utf-8 first symbol match
