build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext {
        versions = [
                min_sdk    : 21,
                compile_sdk: 30,
                target_sdk : 30
        ]

        kotlin_version = '1.4.32'
        dokka_version = '1.4.30'
    }
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.2.0-rc01"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath("org.jetbrains.dokka:dokka-gradle-plugin:${dokka_version}")
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }

}

allprojects {
    repositories {
        google()
        mavenCentral()
        //https://github.com/kotlin/kotlinx.html/wiki/Getting-started
        maven { url "https://maven.pkg.jetbrains.space/public/p/kotlinx-html/maven" }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}