Add coverage badge

2022-10-18 15:10:29 -05:00 · 2022-10-18 15:10:29 -05:00 · acfa175564
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 # Firefox Monitor Server

+[![Coverage Status](https://coveralls.io/repos/github/mozilla/blurts-server/badge.svg?branch=main)](https://coveralls.io/github/mozilla/blurts-server?branch=main)
+
 ## Summary

 Firefox Monitor notifies users when their credentials have been compromised in a data breach.