[REF & ENH] remove renameFile and deal with atlas entities

[Remi-Gau]

• closes [REFACTOR] replace the renameFile function with the bids.File.rename method #25
• name files using atlas entity

[codecov]

Codecov Report

Merging #31 (a1d719f) into main (7870fd6) will decrease coverage by 1.51%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #31      +/-   ##
==========================================
- Coverage   40.70%   39.19%   -1.52%     
==========================================
  Files          19       18       -1     
  Lines         339      324      -15     
==========================================
- Hits          138      127      -11     
+ Misses        201      197       -4     

Flag	Coverage Δ
unittests	39.19% <100.00%> (-1.52%)	⬇️

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

Impacted Files	Coverage Δ
src/atlas/extractRoiFromAtlas.m	84.00% <ø> (ø)
src/roi/keepHemisphere.m	94.11% <100.00%> (+0.36%)	⬆️
src/roi/renameNeuroSynth.m	100.00% <100.00%> (ø)

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