Update README.md

Author: MathieuSoysal

README.md

@@ -1,4 +1,5 @@
-[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=MathieuSoysal_CodinGame-Puzzles-stats-library&metric=coverage)](https://sonarcloud.io/summary/new_code?id=MathieuSoysal_CodinGame-Puzzles-stats-library)
+[![Vulnerabilities](https://sonarcloud.io/api/project_badges/measure?project=MathieuSoysal_Java-Maven-Project-Template&metric=vulnerabilities)](https://sonarcloud.io/summary/new_code?id=MathieuSoysal_Java-Maven-Project-Template)
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=MathieuSoysal_Java-Maven-Project-Template&metric=coverage)](https://sonarcloud.io/summary/new_code?id=MathieuSoysal_Java-Maven-Project-Template)
 [![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=MathieuSoysal_CodinGame-Puzzles-stats-library&metric=sqale_rating)](https://sonarcloud.io/summary/new_code?id=MathieuSoysal_CodinGame-Puzzles-stats-library)
 ![GitHub Actions](https://github.com/MathieuSoysal/Java-Maven-Project-Template/workflows/Java%20CI%20with%20Maven/badge.svg)
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](CODE_OF_CONDUCT.md) 
@@ -22,4 +23,4 @@ To use this template, you just have to click on "Use this template" on the main
 
 ## Badges
 
-Don't forget to add your own badges to your readme 😉
+Don't forget to add your own SonarCloud badges to your readme 😉