Add WindNet and Site PV

[jacobbieker]

Pull Request

Description

Adds the WindNet model

Fixes #123 Fixes #124 Fixes #126

How Has This Been Tested?

Unit Tests

• [x] Yes

Checklist:

• [x] My code follows OCF's coding style guidelines
• [x] I have performed a self-review of my own code
• [x] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] I have checked my code and corrected any misspellings

[codecov[bot]]

Codecov Report

Attention: 80 lines in your changes are missing coverage. Please review.

Comparison is base (3e2f306) 57.76% compared to head (4b1e014) 57.11%.

:exclamation: Current head 4b1e014 differs from pull request most recent head da912ad. Consider uploading reports for the commit da912ad to get more accurate results

Files	Patch %	Lines
pvnet/models/multimodal/multimodal.py	41.66%	21 Missing :warning:
pvnet/data/base.py	65.30%	17 Missing :warning:
pvnet/models/base_model.py	65.85%	14 Missing :warning:
pvnet/data/pv_site_datamodule.py	47.61%	11 Missing :warning:
pvnet/models/multimodal/site_encoders/encoders.py	83.33%	4 Missing :warning:
pvnet/models/multimodal/weather_residual.py	0.00%	4 Missing :warning:
pvnet/models/multimodal/deep_supervision.py	0.00%	3 Missing :warning:
pvnet/utils.py	76.92%	3 Missing :warning:
pvnet/data/wind_datamodule.py	66.66%	2 Missing :warning:
pvnet/models/multimodal/encoders/encoders3d.py	83.33%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #101 +/- ## ========================================== - Coverage 57.76% 57.11% -0.65% ========================================== Files 26 28 +2 Lines 1712 1791 +79 ========================================== + Hits 989 1023 +34 - Misses 723 768 +45 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.