Store source info from TCU db in ECSV files to be reused

[morcuended]

No description provided.

[codecov]

Codecov Report

Merging #92 (6d62ef5) into main (1c02716) will increase coverage by 0.12%.
The diff coverage is 77.77%.

@@            Coverage Diff             @@
##             main      #92      +/-   ##
==========================================
+ Coverage   81.70%   81.82%   +0.12%     
==========================================
  Files          41       41              
  Lines        4361     4396      +35     
==========================================
+ Hits         3563     3597      +34     
- Misses        798      799       +1     

Impacted Files	Coverage Δ
osa/scripts/show_run_summary.py	32.25% <33.33%> (ø)
osa/nightsummary/extract.py	80.17% <76.00%> (+1.49%)	⬆️
osa/conftest.py	100.00% <100.00%> (ø)
osa/scripts/tests/test_osa_scripts.py	98.82% <100.00%> (+<0.01%)	⬆️

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