feat: Automatically generate reaction system .hpp

[frankfeifan]

This PR aims to enable an automatic workflow that takes a .json file to generate the corresponding .hpp for geochemical reaction systems during code configuration.

• A workflow that generates stoich matrix and essential reaction constant arrays based on the inputs from a .json file
• The workflow is automatically triggered during code configuration
• Directly read in EQ36 database instead of manually calculating reaction constants

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (5268dc5) to head (ec1ab56).

Additional details and impacted files

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##              main       #22   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           25        25           
  Lines          830       830           
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  Hits           830       830           

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