Update README.md

Author: ritchiecarroll

README.md

@@ -1,6 +1,6 @@
 # cppapi
 
-[![Total alerts](https://img.shields.io/lgtm/alerts/g/sttp/cppapi.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/sttp/cppapi/alerts/)
+[![CodeQL](https://github.com/sttp/cppapi/actions/workflows/codeql.yml/badge.svg)](https://github.com/sttp/cppapi/actions/workflows/codeql.yml) [![Total alerts](https://img.shields.io/lgtm/alerts/g/sttp/cppapi.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/sttp/cppapi/alerts/)
 <img align="right" src="https://raw.githubusercontent.com/sttp/cppapi/master/src/sttp.png">
 [![Language grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/sttp/cppapi.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/sttp/cppapi/context:cpp)