add nwp viewing page

[peterdudfield]

Pull Request

Description

Add a page where NWP data can be explored

How Has This Been Tested?

Tested it locally

• Yes

Checklist:

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

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 74 lines in your changes are missing coverage. Please review.

Project coverage is 27.22%. Comparing base (ecd9dde) to head (683a9c2).
Report is 2 commits behind head on main.

❗ Current head 683a9c2 differs from pull request most recent head f3419e0. Consider uploading reports for the commit f3419e0 to get more accurate results

Files	Patch %	Lines
src/nwp_page.py	0.00%	72 Missing ⚠️
src/main.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #112      +/-   ##
==========================================
- Coverage   29.62%   27.22%   -2.41%     
==========================================
  Files          15       16       +1     
  Lines         827      900      +73     
==========================================
  Hits          245      245              
- Misses        582      655      +73     

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