feat: add nuxt build indicator to whitelist in dev mode

[codecov-io]

Codecov Report

Merging #85 into master will not change coverage. The diff coverage is 0.00%.

@@          Coverage Diff           @@
##           master     #85   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files           3       3           
  Lines          59      63    +4     
  Branches       13      14    +1     
======================================
- Misses         46      49    +3     
- Partials       13      14    +1     

Impacted Files	Coverage Δ
lib/utils.js	0.00% <0.00%> (ø)

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[manniL]

Thanks ☺️