feat: 🎸 Add 3 new shortcut popup icons

[kamack38]

Signed-off-by: kamack38 [email protected]

[codecov[bot]]

Codecov Report

Merging #3668 (c77df09) into master (b7bac1d) will decrease coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3668      +/-   ##
==========================================
- Coverage   90.65%   90.63%   -0.02%     
==========================================
  Files         854      854              
  Lines       54774    54774              
==========================================
- Hits        49653    49647       -6     
- Misses       5121     5127       +6     

Flag	Coverage Δ
gcov	90.63% <100.00%> (-0.02%)	:arrow_down:
luacov	93.46% <100.00%> (+<0.01%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
lib/awful/hotkeys_popup/widget.lua	98.24% <100.00%> (+<0.01%)	:arrow_up:
spawn.c	82.51% <0.00%> (-3.65%)	:arrow_down:
lib/awful/layout/suit/corner.lua	92.03% <0.00%> (+1.76%)	:arrow_up: