Add builder options to help setting custom token headers

[danikarik]

No description provided.

[codecov]

Codecov Report

Merging #86 (561d01f) into main (831cdfc) will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #86      +/-   ##
==========================================
+ Coverage   89.76%   89.83%   +0.07%     
==========================================
  Files          13       13              
  Lines         420      423       +3     
==========================================
+ Hits          377      380       +3     
  Misses         23       23              
  Partials       20       20              

Impacted Files	Coverage Δ
build.go	97.64% <100.00%> (+0.08%)	⬆️

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[cristaloleg]

Thank you 🎉