[espanso] missing CLI

Sanity checks

• My issue relates to a specific CLI completion spec (e.g. git checkout is missing options in git completion spec). If your issue is more general, please create your issue here: withfig/fig
• I have searched github.com/withfig/autocomplete/issues and there are no duplicates of my issue
• I would like to work on this.

What CLI tool does this relate to?

espanso

Which statement makes the most sense?

This completion spec does not exist

Issue Details

Espanso is a cross platform text expander written in Rust. The CLI is pretty big, but it's built with clap - could have clap_complete_fig added or built locally.

... and that's not even including the nested subcommands / options.