Add WindNet Datapipe

[jacobbieker]

Pull Request

Description

Fixes WindNet to properly work with sensor data, and removes some assumptions of coordinate system in the data pipeline.

Part of this partly updates #12

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
• [x] 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: 40 lines in your changes are missing coverage. Please review.

Comparison is base (6a1adf2) 78.70% compared to head (ea18cc5) 78.74%. Report is 1 commits behind head on main.

:exclamation: Current head ea18cc5 differs from pull request most recent head f674132. Consider uploading reports for the commit f674132 to get more accurate results

Files	Patch %	Lines
ocf_datapipes/training/common.py	57.14%	18 Missing :warning:
ocf_datapipes/training/windnet.py	58.82%	14 Missing :warning:
ocf_datapipes/convert/numpy/batch/sensor.py	62.50%	6 Missing :warning:
ocf_datapipes/select/select_loc_and_t0.py	75.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #249 +/- ## ========================================== + Coverage 78.70% 78.74% +0.04% ========================================== Files 131 132 +1 Lines 5880 5929 +49 ========================================== + Hits 4628 4669 +41 - Misses 1252 1260 +8 ```

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