Add commands for sticky workspaces

[dalyIsaac]

Added the following commands:

• move_window_to_next_workspace_on_monitor
• move_window_to_previous_workspace_on_monitor
• focus_next_workspace_on_current_monitor
• focus_previous_workspace_on_current_monitor

[codecov]

Codecov Report

Attention: Patch coverage is 89.28571% with 9 lines in your changes missing coverage. Please review.

Project coverage is 80.62%. Comparing base (d76aef3) to head (ce23d81).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/Whim/Commands/CoreCommands.cs	88.00%	6 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1074      +/-   ##
==========================================
+ Coverage   80.54%   80.62%   +0.08%     
==========================================
  Files         283      284       +1     
  Lines       12724    12808      +84     
  Branches     1466     1473       +7     
==========================================
+ Hits        10248    10327      +79     
- Misses       2286     2289       +3     
- Partials      190      192       +2     

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