add provider option

[peterdudfield]

Pull Request

Description

• refactor add option for different providers

• added - logging https://github.com/openclimatefix/PVConsumer/issues/15 -only save to database every 100 queries

How Has This Been Tested?

normal unittests,a adjutsed slightly

• [ ] 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-commenter]

Codecov Report

Merging #14 (e8cb322) into main (7db37bd) will decrease coverage by 3.27%. The diff coverage is 81.81%.

@@            Coverage Diff             @@
##             main      #14      +/-   ##
==========================================
- Coverage   95.68%   92.40%   -3.28%     
==========================================
  Files           4        4              
  Lines         139      158      +19     
==========================================
+ Hits          133      146      +13     
- Misses          6       12       +6     

Impacted Files	Coverage Δ
pvconsumer/pv_systems.py	97.14% <80.00%> (-2.86%)	:arrow_down:
pvconsumer/app.py	87.50% <81.81%> (-3.27%)	:arrow_down:
pvconsumer/__init__.py	100.00% <100.00%> (ø)

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