(wip) Store everest results in ERT storage

[yngve-sk]

Issue
Resolves #8811

Store it as some dataframes and dump it in storage, not entirely sure how much of it should be saved. Will use everest_data_api as reference for what is required.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 90.72%. Comparing base (721f3c6) to head (f9c476a).

Files with missing lines	Patch %	Lines
src/ert/storage/local_ensemble.py	33.33%	2 Missing ⚠️
src/ert/run_models/everest_run_model.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9161      +/-   ##
==========================================
+ Coverage   90.70%   90.72%   +0.02%     
==========================================
  Files         351      351              
  Lines       21903    21908       +5     
==========================================
+ Hits        19867    19876       +9     
+ Misses       2036     2032       -4     

Flag	Coverage Δ
cli-tests	39.23% <20.00%> (+0.02%)	⬆️
gui-tests	71.73% <20.00%> (-0.04%)	⬇️
performance-tests	49.37% <20.00%> (-0.03%)	⬇️
unit-tests	79.63% <40.00%> (-0.01%)	⬇️

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