✨ Kotlin command builder DSL (#165)

cloud-kotlin-extensions/build.gradle

@@ -0,0 +1,43 @@
+import org.jetbrains.dokka.gradle.DokkaTask
+
+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '1.4.21'
+    id 'org.jetbrains.dokka' version '1.4.20'
+}
+
+kotlin {
+    explicitApi()
+}
+
+compileKotlin {
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+compileTestKotlin {
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+dependencies {
+    api project(':cloud-core')
+    testImplementation "org.jetbrains.kotlin:kotlin-test-junit5"
+}
+
+javadocJar {
+    from dokkaHtml
+}
+
+tasks.withType(DokkaTask).configureEach {
+    dokkaSourceSets {
+        main {
+            includes.from(layout.projectDirectory.file("src/main/descriptions.md").toString())
+            externalDocumentationLink {
+                url.set(new URL("https://javadoc.commandframework.cloud/")) //todo fix KDoc linking to JavaDoc
+                packageListUrl.set(new URL("https://javadoc.commandframework.cloud/allpackages-index.html"))
+            }
+        }
+    }
+}