** Current
- [X] Preserve cursor position per dir while navigating
- [X] Cmdline must be single line
- [X] Reload
- [X] Run shell command
- [X] Command substitution %
- [X] Command substitution %d:cwd
- [ ] Show file permissions
- [ ] Commands
- [ ] Error handling
- [ ] Cli arg parsing
** Later
- [ ] handle on open (for external integrations)
- [ ] Cmdline history
- [ ] select multiple files
- [ ] Command substitution %s:selections
- [ ] cd into dir symlinks
- [ ] copy/paste across instances
  - user-land solution (write selections to file and read from second instance)
  - socket
- [ ] configuration file (toml?)
- [ ] support multikey bindings?
- [ ] bind command: define keybindings
- [ ] watch for changes
- [ ] cmdline tab completion