Add proper `module-info.java`

 ```
   > Failed to transform e-adr-2.0.0.jar (io.github.adr:e-adr:2.0.0) to match attributes {artifactType=jar, javaModule=true, org.gradle.category=library, org.gradle.dependency.bundling=external, org.gradle.jvm.version=17, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-api}.
```