Add Wormhole to the list of users

[feross]

Reference: https://twitter.com/feross/status/1389385719035006976

[codecov]

Codecov Report

Merging #213 (8572131) into master (d3f7042) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #213   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           30        30           
  Lines          121       121           
  Branches        31        31           
=========================================
  Hits           121       121           

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