chore: Add readme badges (#5)

[skip ci]

Author: thced

README.md

@@ -1,5 +1,12 @@
 # openapi-httpserver-java
 
+[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=extenda_openapi-httpserver-java&metric=alert_status&token=c87f52089c6158081787f26e272d0a0e412c205b)](https://sonarcloud.io/dashboard?id=extenda_openapi-httpserver-java)
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=extenda_openapi-httpserver-java&metric=coverage&token=c87f52089c6158081787f26e272d0a0e412c205b)](https://sonarcloud.io/dashboard?id=extenda_openapi-httpserver-java)
+[![Code Smells](https://sonarcloud.io/api/project_badges/measure?project=extenda_openapi-httpserver-java&metric=code_smells&token=c87f52089c6158081787f26e272d0a0e412c205b)](https://sonarcloud.io/dashboard?id=extenda_openapi-httpserver-java)
+[![Duplicated Lines (%)](https://sonarcloud.io/api/project_badges/measure?project=extenda_openapi-httpserver-java&metric=duplicated_lines_density&token=c87f52089c6158081787f26e272d0a0e412c205b)](https://sonarcloud.io/dashboard?id=extenda_openapi-httpserver-java)
+[![WorkFlow](https://github.com/extenda/openapi-httpserver-java/actions/workflows/commit.yaml/badge.svg)](https://github.com/extenda/openapi-httpserver-java/actions)
+
+
 # OpenAPI Server Library
 A lightweight Java library for creating HTTP servers based on OpenAPI specifications.