Add more text roles and links.
Add an example that broadcasts only to other windows in the current tab.
Initial capitalization of the key names in the kbd text role.
Add Python type hints for custom kittens.
Note about hyperlink support for ls on macOS.
Add description text for show_key.
It was documented for zsh but not fish (2 lines above).
While looking for how to do the same in fish, I couldn't find how to do
*exactly the same*, but turns out there's a neat way to do both the
aliasing and autocompletion mapping at the same time.
See https://fishshell.com/docs/current/cmds/function.html :
> `-w WRAPPED_COMMAND` or `--wraps=WRAPPED_COMMAND` causes the function
> to inherit completions from the given wrapped command. See the
> documentation for [complete](https://fishshell.com/docs/current/cmds/complete.html#cmd-complete)
> for more information.
