fix: work third-party plugins as fileLoader

[cap-Bernardito]

This PR contains a:

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

Motivation / Use-Case

#188

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #353 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #353   +/-   ##
=======================================
  Coverage   97.02%   97.02%           
=======================================
  Files           4        4           
  Lines         101      101           
  Branches       25       25           
=======================================
  Hits           98       98           
  Misses          3        3           

Impacted Files	Coverage Δ
src/utils.js	96.92% <100.00%> (ø)

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