fix(docs): add repo-metadata file

[JustinBeckwith]

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[codecov]

Codecov Report

Merging #722 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #722   +/-   ##
=======================================
  Coverage   85.66%   85.66%           
=======================================
  Files          13       13           
  Lines         949      949           
  Branches      193      193           
=======================================
  Hits          813      813           
  Misses         75       75           
  Partials       61       61

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[bcoe]

could we force land this as:

fix(docs) and then release a patch release of the library, such that the docs sites generates.