Keyboard strokes should be formatted appropriately

[trickyck]

You can format keyboard strokes like so:
DEL
This should be added to the documentation.

This was discussed here.

[tapaswenipathak]

github supports F1
would this also work with readthedocs markdown?
https://meta.askubuntu.com/questions/707/how-to-use-keyboard-icon-in-markdown

https://discord.com/channels/832282841836159006/969233556788359228/976884979692867594

[tapaswenipathak]

https://www.sphinx-doc.org/en/master/usage/restructuredtext/roles.html#role-kbd

https://discord.com/channels/832282841836159006/969233556788359228/976885375463194634

[tapaswenipathak]

• Update contributing guidelines.

[trickyck]

I'm pretty sure that readthedocs will render this correctly. We can check.

[tapaswenipathak]

We're good with this:

62e103b

(everywhere)