README: add coverity

README.md

@@ -13,7 +13,7 @@ Type            | Service               | Status
 CI (Linux)      | Jenkins               | [![Build Status](https://jenkins.linuxcontainers.org/job/lxc-github-commit/badge/icon)](https://jenkins.linuxcontainers.org/job/lxc-github-commit/)
 CI (Linux)      | Travis                | [![Build Status](https://travis-ci.org/lxc/lxc.svg?branch=master)](https://travis-ci.org/lxc/lxc/)
 Project status  | CII Best Practices    | [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1087/badge)](https://bestpractices.coreinfrastructure.org/projects/1087)
-
+Static Analysis | Coverity              | <a href="https://scan.coverity.com/projects/lxc-linux-containers"> <img alt="Coverity Scan Build Status" src="https://img.shields.io/coverity/scan/369.svg"/> </a>
 
 ## System Containers