feat(loader): support load config failure option

[ysknsid25]

resolves #234

[pi0]

Thanks for preparing PR.

I might need time to locally test everything before merge and release of it but current implementation looks good 👍🏼

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.10%. Comparing base (42d9697) to head (c67ce2a).
Report is 123 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #241      +/-   ##
==========================================
- Coverage   76.92%   73.10%   -3.82%     
==========================================
  Files           7        8       +1     
  Lines         806      647     -159     
  Branches       80      114      +34     
==========================================
- Hits          620      473     -147     
+ Misses        184      172      -12     
  Partials        2        2              

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[ysknsid25]

@pi0
Thanks for the review!! 😊