feat(sharp): more resize options

[RAX7]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Pass all resizing parameters to the sharp implementation

see: https://sharp.pixelplumbing.com/api-resize#parameters

e.g:

options: {
  resize: {
    fit: "contain",
    background: [0, 255, 0] // rgb(0, 255, 0)
  }
}

[codecov]

Codecov Report

Base: 88.24% // Head: 88.26% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (cc36798) compared to base (c3c4a30).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #355      +/-   ##
==========================================
+ Coverage   88.24%   88.26%   +0.01%     
==========================================
  Files           4        4              
  Lines         672      673       +1     
  Branches      258      259       +1     
==========================================
+ Hits          593      594       +1     
  Misses         71       71              
  Partials        8        8              

Impacted Files	Coverage Δ
src/utils.js	80.93% <100.00%> (+0.05%)	⬆️

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