ProteoScape / TIMScore improvements

[RalfG]

Added

• io.proteoscape: Allow ProteoScapeReader instantiation from Pandas DataFrame and access PSM by index.

Changed

• io.proteoscape: Rename module from TIMScore to ProteoScape.
• io.proteoscape: Use correct search engine score (x_corr_score instead of tims_score)

Fixed

• Remove accidental print statement.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 49 lines in your changes are missing coverage. Please review.

Project coverage is 0.00%. Comparing base (10086b1) to head (f649b6c).

Files	Patch %	Lines
psm_utils/io/proteoscape.py	0.00%	43 Missing ⚠️
psm_utils/io/_utils.py	0.00%	5 Missing ⚠️
psm_utils/io/__init__.py	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@          Coverage Diff          @@
##            main     #75   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
=====================================
  Files         25      25           
  Lines       2405    2415   +10     
=====================================
- Misses      2405    2415   +10     

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