Digraphs, vim keybindings

[vmchale]

Check for existing issues

• [X] Completed

Describe the feature

Vim has digraphs; by typing <C-K><char><char> one can input exotic characters-π, ⊢ etc.

https://vimhelp.org/digraph.txt.html#digraphs-use

Digraphs would be wonderful and vim keybindings would be even better!

If applicable, add mockups / screenshots to help present your vision of the feature

No response