Generate FINE energy system model from database

[V3lop5]

Fixes #33

This PR ...

generates FINE energy system model from data in database.

Open TODOs

• await merge of Added more attributes to dataset #82 and use new attributes
• await Add yearly limit to sink #87
• await Model custom parameters #84 and use model parameters to override dataset attributes

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Checklist

Checklist for Contributors

• Unit tests provided?
  Unit tests are needed for new features or to reproduce the bug solved by this PR.
• Documentation updated?
• Unit tests successful
• Code smells (flake8) checked

Checklist for Reviewers

• Read PR description
• Check linked issue
• Check CI/CD (build, automated tests, linting, preview build)
• Check documentation changes
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[codecov-commenter]

Codecov Report

Merging #83 (254b054) into main (9f5ee12) will decrease coverage by 4.33%.
The diff coverage is 40.79%.

@@            Coverage Diff             @@
##             main      #83      +/-   ##
==========================================
- Coverage   83.79%   79.46%   -4.34%     
==========================================
  Files          97       98       +1     
  Lines        1864     2031     +167     
==========================================
+ Hits         1562     1614      +52     
- Misses        302      417     +115     

Flag	Coverage Δ
pytest	79.46% <40.79%> (-4.34%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
ensysmod/core/fine_esm.py	16.51% <16.51%> (ø)
ensysmod/api/endpoints/energy_models.py	59.18% <30.00%> (-12.70%)	⬇️
ensysmod/crud/base_depends_timeseries.py	58.18% <42.85%> (-1.82%)	⬇️
ensysmod/model/dataset.py	76.19% <69.69%> (-23.81%)	⬇️
ensysmod/crud/energy_sink.py	100.00% <100.00%> (ø)
ensysmod/crud/energy_source.py	100.00% <100.00%> (ø)
ensysmod/model/energy_component.py	100.00% <100.00%> (ø)
ensysmod/model/energy_conversion.py	100.00% <100.00%> (ø)
ensysmod/model/energy_conversion_factor.py	100.00% <100.00%> (ø)
ensysmod/model/energy_model.py	100.00% <100.00%> (ø)
... and 4 more

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[github-actions]

Unit Test Results

  1 files  ±0    1 suites  ±0   44s ⏱️ -3s
63 tests ±0  63 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 254b054. ± Comparison against base commit 9f5ee12.