fix(config): Default the entire config

[afnanenayet]

Make the config struct use defaults for the entire config instead of
just a few sections.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4ea668b) 59.47% compared to head (b3c3b1e) 59.47%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #768   +/-   ##
=======================================
  Coverage   59.47%   59.47%           
=======================================
  Files          13       13           
  Lines        1451     1451           
=======================================
  Hits          863      863           
  Misses        588      588           

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