Add RepositoryContentDescriptor to IvyRepository

[deepy]

https://github.com/gradle/gradle/blob/jjohannes/idiomatic/gradlebuild/split/build-logic/build-logic-base/settings-plugin/src/main/kotlin/gradlebuild.repositories.settings.gradle.kts#L99-L101

        ivy {
            name = "NodeJS"
            url = uri("https://nodejs.org/dist")
            patternLayout {
                artifact("v[revision]/[artifact](-v[revision]-[classifier]).[ext]")
                ivy("v[revision]/ivy.xml")
            }
            metadataSources {
                artifact()
            }

            content {
                includeModule("org.nodejs", "node")
            }
        }

[deepy]

This is technically related to #134

[bsautel]

Nice idea!