[FIX] fix demo vismotion

[Remi-Gau]

fixes #1065

• remove options in matlab scripts
• make bash script more robust

unrelated

• clean up doc

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 79.55%. Comparing base (3d6e599) to head (42db50a).
Report is 175 commits behind head on main.

Files	Patch %	Lines
src/infra/returnHomeDir.m	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1070      +/-   ##
==========================================
- Coverage   79.58%   79.55%   -0.04%     
==========================================
  Files         246      247       +1     
  Lines        6727     6730       +3     
  Branches       40       40              
==========================================
  Hits         5354     5354              
- Misses       1357     1360       +3     
  Partials       16       16              

Flag	Coverage Δ
cli	38.99% <ø> (ø)
macos-latest_matlab-R2022b	80.79% <0.00%> (-0.04%)	⬇️
octave	76.64% <0.00%> (-0.04%)	⬇️
ubuntu-latest_matlab-R2022b	80.96% <0.00%> (-0.04%)	⬇️

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