[FEATURE] Add walker launcher

[mylinuxforwork]

Is your feature request related to a problem? Please describe.

Walker is a very flexible and modern launcher. Test several use case. https://github.com/abenz1267/walker

Describe the solution you'd like

Midterm can walker replace rofi.

Describe alternatives you've considered

Keep rofi. Or make it optional.

Additional context

No response

Support or Contribution

• [x] I am willing to contribute or support this feature