fix: add config.yml file to pypi distribution files

[eshanholtz]

Fixes #868

[codecov]

Codecov Report

Merging #872 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #872   +/-   ##
=======================================
  Coverage   82.41%   82.41%           
=======================================
  Files          70       70           
  Lines        2303     2303           
  Branches      338      338           
=======================================
  Hits         1898     1898           
  Misses        206      206           
  Partials      199      199           

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[thinkingserious]

Hello @eshanholtz,

Thanks again for the PR!

We appreciate your contribution and look forward to continued collaboration. Thanks!

Team SendGrid DX