202 open pvol data for the uk

[bart1]

Todo

• Find odim code for wardon hill
• Update supported sources map
• Make sure I use options where relevant

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.66%. Comparing base (449e0cf) to head (b88c188).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #213      +/-   ##
==========================================
+ Coverage   91.72%   93.66%   +1.94%     
==========================================
  Files          31       31              
  Lines        2272     2305      +33     
==========================================
+ Hits         2084     2159      +75     
+ Misses        188      146      -42     

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