TODO

x saving
- rename compile flags as FLAG_... consistent API
- indenting
- undo/redo
- search
    ripgrep support
    search next
    search spawn cursors
- replace
    find/replace all in file
    find/replace all in all files?
    regexp support SO 1631450
- open file
    fzf support
    open by path, auto complete
    dropdowns modal per folders, start typing to filter
- supporting next line indents
- actual syntax rendering
    auto detect syntax
    allow changing syntax
- edit from touched file
- make / run impl
- debugger impl gdb/lldb
- line duplicate
- line del
- line shift
- selection, marking, shift arows
- copy paste / via mark
- select blocks
- multi selection
- file list, open with
- resetting from disk, from git
- highlight same symbols
- highlight closing parens/etc.
- horizontal scroll
- upper/lower case text
    capitalize text
- word wrap
- multi file opened, tabs?
- git show changes
- blame line
- folding
- support multifile buffers
- side by side file edits
- execution window
- options
    trim on save
    trim eol
    autohighlight parens
    save folds
    wordwrap
    space tabs
    tab size
    auto indent
    indent with tabs
    undo/redo limit
    auto save
    auto backups
    compile command
    bookmark
    show bookmarks
    save bookmarks
    line separator windows/unix