Extra dependencies that should be emitted even if they are not first-level runtime deps.
Optional: main class to write into ktale-plugin.properties.
ktale-plugin.properties
Optional: plugin id to write into ktale-plugin.properties.
DSL: repository("https://repo1.maven.org/maven2/")
DSL: repository("myRepo", "https://repo.example.com/maven/")
DSL: repositoryWithAuth("private", "https://repo.example.com/maven/", "REPO_USER", "REPO_PASS")