docs: add coverage badge

mdeanjones · web-flow · commit 5c6e0a6840be · 2022-06-21T08:45:50.000-04:00
diff --git a/README.md b/README.md
@@ -1,3 +1,5 @@
+[![Coverage Status](https://coveralls.io/repos/github/nsf-open/ember-utility-library/badge.svg?branch=main)](https://coveralls.io/github/nsf-open/ember-utility-library?branch=main)
+
 @nsf-open/ember-utility-library
 ===================================================
 

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+[![Coverage Status](https://coveralls.io/repos/github/nsf-open/ember-utility-library/badge.svg?branch=main)](https://coveralls.io/github/nsf-open/ember-utility-library?branch=main)`
	`2`	`+`
`1`	`3`	`@nsf-open/ember-utility-library`
`2`	`4`	`===================================================`
`3`	`5`