refactor: rearrange/resort args

[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:

Groups args together to be less confusing, both for dev work and in the help menu.

I'll also do a pass on all the arg options and consolidate some of the arg + config code after this.

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: 1 lines in your changes are missing coverage. Please review.

Comparison is base (0f969fc) 32.37% compared to head (55f4e03) 32.83%.

Files	Patch %	Lines
src/options/args.rs	99.79%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1376      +/-   ##
==========================================
+ Coverage   32.37%   32.83%   +0.46%     
==========================================
  Files          98       98              
  Lines       17227    17348     +121     
==========================================
+ Hits         5577     5697     +120     
- Misses      11650    11651       +1     

Flag	Coverage Δ
macos-12	34.71% <99.79%> (+0.49%)	⬆️
ubuntu-latest	34.43% <99.79%> (+0.47%)	⬆️
windows-2019	34.77% <99.79%> (+0.50%)	⬆️

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