Allow removing hidden/dot files

[mraspaud]

This PR allows remove_it to erase dot files.

• Tests added
• Fully documented

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.72%. Comparing base (3202424) to head (a4a50fa).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #235      +/-   ##
==========================================
+ Coverage   85.61%   85.72%   +0.10%     
==========================================
  Files          37       37              
  Lines        6717     6738      +21     
==========================================
+ Hits         5751     5776      +25     
+ Misses        966      962       -4     

Flag	Coverage Δ
unittests	85.72% <100.00%> (+0.10%)	⬆️

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