* Use tree like structure to store keymaps
* Allow multi key keymaps in config file
* Allow multi key keymaps in insert mode
* Make keymap state self contained
* Add keymap! macro for ergonomic declaration
* Add descriptions for editor commands
* Allow keymap! to take multiple keys
* Restore infobox display
* Fix keymap merging and add infobox titles
* Fix and add tests for keymaps
* Clean up comments and apply suggestions
* Allow trailing commas in keymap!
* Remove mode suffixes from keymaps
* Preserve order of keys when showing infobox
* Make command descriptions smaller
* Strip infobox title prefix from items
* Strip infobox title prefix from items
- switch to use static OnceCell to calculate Info once
- pass Vec<(&[KeyEvent], &str)> rather than Vec<(Vec<KeyEvent>, &str)>
- expr -> tt to allow using | as separator, make it more like match
