feat: add bifid code and template markdown files

[TheAlexLichter]

TODO:

• Docs

[codecov]

Codecov Report

Merging #9 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master     #9   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          18     19    +1     
  Lines         347    365   +18     
  Branches       97    100    +3     
=====================================
+ Hits          347    365   +18

Impacted Files	Coverage Δ
src/bifid.js	100% <100%> (ø)

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