Feature/pydantic validators

[einfachMel]

Fixes #60

This PR ...

validates all possible input for correct content

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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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[github-actions]

Unit Test Results

    1 files  ±    0      1 suites  ±0   48s ⏱️ +12s
400 tests +337  384 ✔️ +321  16 💤 +16  0 ❌ ±0 

Results for commit af2aaff. ± Comparison against base commit e0f6749.

[codecov-commenter]

Codecov Report

Merging #101 (af2aaff) into main (e0f6749) will increase coverage by 1.77%.
The diff coverage is 93.73%.

@@            Coverage Diff             @@
##             main     #101      +/-   ##
==========================================
+ Coverage   79.46%   81.24%   +1.77%     
==========================================
  Files          98       99       +1     
  Lines        2031     2330     +299     
==========================================
+ Hits         1614     1893     +279     
- Misses        417      437      +20     

Flag	Coverage Δ
pytest	81.24% <93.73%> (+1.77%)	⬆️

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

Impacted Files	Coverage Δ
ensysmod/util/validators.py	90.78% <90.78%> (ø)
ensysmod/schemas/__init__.py	100.00% <100.00%> (ø)
ensysmod/schemas/dataset.py	100.00% <100.00%> (ø)
ensysmod/schemas/energy_commodity.py	100.00% <100.00%> (ø)
ensysmod/schemas/energy_component.py	100.00% <100.00%> (ø)
ensysmod/schemas/energy_conversion.py	100.00% <100.00%> (ø)
ensysmod/schemas/energy_conversion_factor.py	100.00% <100.00%> (ø)
ensysmod/schemas/energy_model.py	100.00% <100.00%> (ø)
ensysmod/schemas/energy_sink.py	100.00% <100.00%> (ø)
ensysmod/schemas/energy_source.py	100.00% <100.00%> (ø)
... and 8 more

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