Wrappers for azlrec, dazldr, drdazl, recazl

[afossa]

Wrapped routines to transform Cartesian states into range, azimuth and elevation:
azlrec
recazl

Wrapped routines to compute the Jacobians of the above:
dazldr
drdazl

Fixes #25

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.22%. Comparing base (7ad6553) to head (a0c11e0).
Report is 1 commits behind head on main.

❗ Current head a0c11e0 differs from pull request most recent head b4dd17b

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
- Coverage   99.24%   99.22%   -0.02%     
==========================================
  Files          27       27              
  Lines        3293     3236      -57     
==========================================
- Hits         3268     3211      -57     
  Misses         25       25              

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[helgee]

Thanks a lot 👍

[cekmsu]

What about azlcpo?

[afossa]

@cekmsu I opened a new pull request #28 for this.