Add the option to add a suffix to the newly created file name

[lguerard]

Fixes #90

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 25%. Comparing base (420eb59) to head (d85ccd9).
Report is 3 commits behind head on devel.

Files with missing lines	Patch %	Lines
src/imcflibs/imagej/misc.py	33%	2 Missing ⚠️

Additional details and impacted files

@@         Coverage Diff          @@
##           devel   #103   +/-   ##
====================================
  Coverage     25%    25%           
====================================
  Files         25     25           
  Lines       1690   1690           
====================================
  Hits         421    421           
  Misses      1269   1269           

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