Shortcut for strikethrough when composing text?

[Canapin (Coin-coin le Canapin)]

Adding a shortcut to a component that adds a composer button may be possible.

Maybe this file could help?

https://github.com/discourse/discourse/blob/main/app/assets/javascripts/discourse/app/components/d-editor.js#L65

(all Composer shortcuts start with Ctrl)