refactor: convert Doodson coefficients table to JSON

[tsutterley]

• feat: added option to use Munk-Cartwright admittance interpolation for minor inference
• feat: add Cartwright and Edden (1973) table 1
• feat: add Cartwright and Tayler (1971) table 5
• feat: add function to parse Cartwright/Tayler/Edden tables
• feat: add functions to calculate UKHO Extended Doodson numbers for constituents

[codecov]

Codecov Report

Attention: Patch coverage is 78.34395% with 34 lines in your changes missing coverage. Please review.

Project coverage is 70.81%. Comparing base (d97482b) to head (5d1be55).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
pyTMD/predict.py	0.00%	28 Missing ⚠️
pyTMD/arguments.py	86.36%	5 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #353      +/-   ##
==========================================
- Coverage   71.59%   70.81%   -0.79%     
==========================================
  Files          39       41       +2     
  Lines       10495    10409      -86     
  Branches     1407     1130     -277     
==========================================
- Hits         7514     7371     -143     
- Misses       2517     2577      +60     
+ Partials      464      461       -3     

Flag	Coverage Δ
unittests	70.81% <78.34%> (-0.79%)	⬇️

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