kotlin: add page (#3130)

pages/common/kotlin.md

@@ -0,0 +1,12 @@
+# kotlin
+
+> Kotlin Application Launcher.
+> More information <https://kotlinlang.org>.
+
+- Run a jar file:
+
+`kotlin {{filename.jar}}`
+
+- Display Kotlin and JVM version:
+
+`kotlin -version`