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

❌ Patch coverage is 0% with 86 lines in your changes missing coverage. Please review.
✅ Project coverage is 34.49%. Comparing base (47d651d) to head (ffd3106).
⚠️ Report is 259 commits behind head on main.

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

❗ There is a different number of reports uploaded between BASE (47d651d) and HEAD (ffd3106). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (47d651d)	HEAD (ffd3106)
	2	1

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #233      +/-   ##
==========================================
- Coverage   43.76%   34.49%   -9.28%     
==========================================
  Files          23       23              
  Lines        2367     2235     -132     
==========================================
- Hits         1036      771     -265     
- Misses       1331     1464     +133     

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

... and 6 files with indirect coverage changes

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