Merge pull request #18 from me6262/master

updated gradle build file to include new jar task

Author: me6262

app/build.gradle.kts

@@ -1,4 +1,5 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import org.gradle.jvm.tasks.Jar
 
 /*
  * This file was generated by the Gradle 'init' task.
@@ -43,6 +44,15 @@ dependencies {
     implementation(kotlin("script-util"))
 }
 
+tasks.jar {
+    manifest.attributes["Main-Class"] = "frc238.App"
+    val dependencies = configurations
+        .runtimeClasspath
+        .get()
+        .map(::zipTree) // OR .map { zipTree(it) }
+    from(dependencies)
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+}
 application {
     // Define the main class for the application.
     mainClass.set("frc238.App")