docs: add keybinds

[t-h2o]

Documentation: add keybinds

Default form

• [x] Have you followed the contributing guidelines?
• [x] Are you working/merging into develop?
• [ ] Do all tests pass ?

If appropriate:

• [ ] Have you added new tests for additional functionality?

---

My contribution

I started to add list of keybinds

TODO

• [ ] add all keybind
• [ ] improve tables

[t-h2o]

Help wanted !