Add reader for DIA-NN output

[minhtien-trinh]

These functions convert proteomics tables coming from the DIA-NN software to an AnnData object for further usage with spatialdata.

Note: This is a work in progress; initial testing is complete, but further validation is needed.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 86 lines in your changes missing coverage. Please review.

Project coverage is 34.49%. Comparing base (cff4896) to head (ffd3106).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
src/spatialdata_io/experimental/diann.py	0.00%	86 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #233       +/-   ##
===========================================
- Coverage   45.50%   34.49%   -11.02%     
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  Files          22       23        +1     
  Lines        2149     2235       +86     
===========================================
- Hits          978      771      -207     
- Misses       1171     1464      +293     

Files with missing lines	Coverage Δ
src/spatialdata_io/experimental/diann.py	0.00% <0.00%> (ø)

... and 5 files with indirect coverage changes