Extract SEG-Y ingestion logic into modular framework

[BrianMichell]

Refactoring phase 1: Modularize and unit test ingestion code for easier maintenance and reusable components.

[codecov]

Codecov Report

❌ Patch coverage is 99.77452% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.97%. Comparing base (c3ba558) to head (8b453c2).
⚠️ Report is 232 commits behind head on main.

Files with missing lines	Patch %	Lines
src/mdio/ingestion/coordinates.py	97.05%	0 Missing and 1 partial ⚠️
src/mdio/ingestion/segy/header_analysis.py	99.10%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #819      +/-   ##
==========================================
+ Coverage   85.30%   90.97%   +5.66%     
==========================================
  Files          46      119      +73     
  Lines        2219     6772    +4553     
  Branches      306      418     +112     
==========================================
+ Hits         1893     6161    +4268     
- Misses        281      525     +244     
- Partials       45       86      +41     

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