Add tmspotfilter function

[CellKai]

This function is in principle overlapping with the existing function "spot_filtering" but can be used slightly different. We could discuss with @lguerard if we keep both functions or if they should rather be merged.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 25%. Comparing base (26f64c9) to head (f0f5af9).
⚠️ Report is 16 commits behind head on devel.

Files with missing lines	Patch %	Lines
src/imcflibs/imagej/trackmate.py	0%	9 Missing ⚠️

Additional details and impacted files

@@         Coverage Diff          @@
##           devel   #112   +/-   ##
====================================
- Coverage     25%    25%   -0%     
====================================
  Files         25     25           
  Lines       1688   1697    +9     
====================================
  Hits         421    421           
- Misses      1267   1276    +9     

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[ehrenfeu]

Please remove changes from #110 from this PR