Add badges to README.md

Author: JavierSegoviaCordoba

README.md

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+![Kotlin version](https://img.shields.io/badge/kotlin-1.8.21-blueviolet?logo=kotlin&logoColor=white)
+[![MavenCentral](https://img.shields.io/maven-central/v/com.javiersc.kotlin/kotlin-compiler-extensions?label=MavenCentral)](https://repo1.maven.org/maven2/com/javiersc/kotlin/kotlin-compiler-extensions/)
+[![Snapshot](https://img.shields.io/nexus/s/com.javiersc.kotlin/kotlin-compiler-extensions?server=https%3A%2F%2Foss.sonatype.org%2F&label=Snapshot)](https://oss.sonatype.org/content/repositories/snapshots/com/javiersc/kotlin/kotlin-compiler-extensions/)
+
+[![Build](https://img.shields.io/github/actions/workflow/status/JavierSegoviaCordoba/kotlin-compiler-extensions/build-kotlin.yaml?label=Build&logo=GitHub)](https://github.com/JavierSegoviaCordoba/kotlin-compiler-extensions/tree/main)
+[![Coverage](https://img.shields.io/sonar/coverage/com.javiersc.kotlin:kotlin-compiler-extensions?label=Coverage&logo=SonarCloud&logoColor=white&server=https%3A%2F%2Fsonarcloud.io)](https://sonarcloud.io/dashboard?id=com.javiersc.kotlin:kotlin-compiler-extensions)
+[![Quality](https://img.shields.io/sonar/quality_gate/com.javiersc.kotlin:kotlin-compiler-extensions?label=Quality&logo=SonarCloud&logoColor=white&server=https%3A%2F%2Fsonarcloud.io)](https://sonarcloud.io/dashboard?id=com.javiersc.kotlin:kotlin-compiler-extensions)
+[![Tech debt](https://img.shields.io/sonar/tech_debt/com.javiersc.kotlin:kotlin-compiler-extensions?label=Tech%20debt&logo=SonarCloud&logoColor=white&server=https%3A%2F%2Fsonarcloud.io)](https://sonarcloud.io/dashboard?id=com.javiersc.kotlin:kotlin-compiler-extensions)
+
 # Kotlin Compiler Extensions