Feature/42 participation rate filter

[chrisbc]

closing #42 and closing #46 this PR includes:

• new style filter package to standardise and improve filtering on various aspects of the solution datasets.
• conditional vs non-conditional participaton
• many docstrings and mkdocs improvements
• test optimisations
• dataframe models using the panderas library

[codecov]

Codecov Report

Attention: Patch coverage is 93.99293% with 34 lines in your changes missing coverage. Please review.

Please upload report for BASE (pre-release@a5666e0). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
solvis/inversion_solution/named_fault.py	0.00%	11 Missing ⚠️
...nversion_solution/inversion_solution_operations.py	92.59%	5 Missing and 1 partial ⚠️
solvis/solvis.py	63.63%	4 Missing ⚠️
...lvis/inversion_solution/inversion_solution_file.py	91.42%	2 Missing and 1 partial ⚠️
solvis/fault_system_solution_helper.py	93.33%	0 Missing and 2 partials ⚠️
solvis/filter/chainable_set_base.py	96.77%	1 Missing and 1 partial ⚠️
solvis/filter/rupture_id_filter.py	97.70%	1 Missing and 1 partial ⚠️
solvis/inversion_solution/dataframe_models.py	98.34%	1 Missing and 1 partial ⚠️
solvis/inversion_solution/typing.py	84.61%	2 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff               @@
##             pre-release      #48   +/-   ##
==============================================
  Coverage               ?   91.57%           
==============================================
  Files                  ?       22           
  Lines                  ?     1305           
  Branches               ?      114           
==============================================
  Hits                   ?     1195           
  Misses                 ?       86           
  Partials               ?       24           

Flag	Coverage Δ
unittests	91.57% <93.99%> (?)

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