feat: add way to automatically generate new json schemas

[ClementTsang]

Description

A description of the change, what it does, and why it was made. If relevant (such as any change that modifies the UI), please provide screenshots of the changes:

Uses schemars to automatically generate them as needed. Ideally we do this with a build script but I don't see an easy way of doing it. We can probably at least automate/enforce doing this with CI though.

Issue

If applicable, what issue does this address?

Closes: #

Testing

If relevant, please state how this was tested. All changes must be tested to work:

If this is a code change, please also indicate which platforms were tested:

• Windows
• macOS
• Linux

Checklist

If relevant, ensure the following have been met:

• Areas your change affects have been linted using rustfmt (cargo fmt)
• The change has been tested and doesn't appear to cause any unintended breakage
• Documentation has been added/updated if needed (README.md, help menu, doc pages, etc.)
• The pull request passes the provided CI pipeline
• There are no merge conflicts
• If relevant, new tests were added (don't worry too much about coverage)

[codecov]

Codecov Report

Attention: Patch coverage is 22.72727% with 17 lines in your changes missing coverage. Please review.

Project coverage is 53.64%. Comparing base (982b718) to head (2db0806).

Files	Patch %	Lines
src/main.rs	23.52%	13 Missing ⚠️
src/options/args.rs	0.00%	1 Missing ⚠️
src/options/config/cpu.rs	0.00%	1 Missing ⚠️
src/options/config/ignore_list.rs	0.00%	1 Missing ⚠️
src/options/config/process.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1482       +/-   ##
===========================================
+ Coverage   40.83%   53.64%   +12.80%     
===========================================
  Files         102      102               
  Lines       17525    17547       +22     
===========================================
+ Hits         7157     9413     +2256     
+ Misses      10368     8134     -2234     

Flag	Coverage Δ
macos-12	36.19% <22.72%> (-0.02%)	⬇️
ubuntu-latest	56.25% <22.72%> (+13.45%)	⬆️
windows-2019	36.33% <22.72%> (-0.02%)	⬇️

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