Update README.md

README.md

@@ -1,5 +1,6 @@
 [![SIT](https://img.shields.io/badge/SIT-awesome-blueviolet.svg)](https://jobs.schwarz)
 [![CI](https://github.com/SchwarzIT/hypermatch/actions/workflows/go-test.yml/badge.svg)](https://github.com/SchwarzIT/hypermatch/actions/workflows/go-test.yml)
+[![Coverage Status](https://coveralls.io/repos/github/SchwarzIT/hypermatch/badge.svg?branch=main)](https://coveralls.io/github/SchwarzIT/hypermatch?branch=main)
 [![Go Report Card](https://goreportcard.com/badge/github.com/SchwarzIT/hypermatch)](https://goreportcard.com/report/github.com/SchwarzIT/hypermatch)
 [![Go Reference](https://pkg.go.dev/badge/github.com/schwarzit/hypermatch.svg)](https://pkg.go.dev/github.com/schwarzit/hypermatch)
 ![License](https://img.shields.io/github/license/SchwarzIT/hypermatch)
@@ -285,4 +286,4 @@ If the attribute value is type of:
 Nevertheless, there are a few things to consider to get maximum performance:
 - Shorten the number of fields inside the rules, the fewer conditions, the shorter is the path to find them out.
 - Try to make the **paths** as diverse as possible in events and rules. The more heterogeneous fields, the higher the performance.
-- Reduce the number of **anyOf** conditions wherever possible
+- Reduce the number of **anyOf** conditions wherever possible