Wcag - Allow the use of the main features of the application with the keyboard

Summary

Need of shortkeys for : add a chanel and modify user profile
Allow users who cannot use the mouse (blind, motor disabled, mobile web, outdoor…) to access the main features of the application with the keyboard

Steps to reproduce

Add a channel and in particular modify settings need too much use of the mouse, so Mattermost cannot be used with assistance tools.

Expected behavior

All important actions performed with a mouse must also be reproduced with the keyboard, even complex interactions (drag & drop, mobile touch gestures…).

Observed behavior

What did you see happen? Please include relevant error messages and/or screenshots.

Here is documentation related to keyboard accessibility: https://docs.mattermost.com/help/getting-started/accessibility.html. Would this be helpful?