Allow navigating with keyboard shortcuts

[tapaswenipathak]

Is your feature request related to a OpenMS API Reference Documentation? Please describe.

No, UX.

• I have attached screenshot describing the problem, if applicable.

Describe the documentation enhancement you'd like

Use more keyboard keys for navigation.

Describe alternatives you've considered

Set the following to true:

• https://pradyunsg.me/furo/customisation/#navigation-with-keys
• navigation_with_keys

Additional context

NA.