* the simplified layout omits the Nerdfonts characters that are not
found in every Fontset
* add an optional config option to opt into the simplified ui
`simplified_ui: bool`
* add a config flag that allows opting into the simplified ui
`zellij options --simplified-ui`
* move the `clean` flag to the `setup` subcommand
New behavior for h and l, will change tabs if there are no available
panes in the direction.
cargo clippy
Ensuring atomicity for the MoveFocusOrTab
- Blocking the input thread for the action MoveFocusOrTab
- Using "unreachable" macro in match arm to make it clear that the
directions Up and Down should not be used with the action MoveFocusOrTab
Adding tests
Corrections according to the discussion of the pull request, namely separating this idea out into a new yaml entirely called tmux-overview., and creating a tmux.yaml with just the new tmux bindings.
