convert observation data to netcdf in reader

[danangmassandy]

This is for #195.

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
9431	8939	95%	0%	🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: f27e055 by action🐍

[codecov]

Codecov Report

Attention: Patch coverage is 98.11321% with 1 line in your changes missing coverage. Please review.

Project coverage is 94.71%. Comparing base (8bef960) to head (f27e055).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
django_project/gap/providers/observation.py	97.82%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #196      +/-   ##
==========================================
+ Coverage   94.69%   94.71%   +0.01%     
==========================================
  Files         158      158              
  Lines        9094     9141      +47     
==========================================
+ Hits         8612     8658      +46     
- Misses        482      483       +1     

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