migrate to gradle to kotlin

buildSrc/build.gradle.kts

@@ -0,0 +1,29 @@
+plugins {
+    `kotlin-dsl`
+    kotlin("jvm") version embeddedKotlinVersion
+}
+
+repositories {
+    jcenter()
+    gradlePluginPortal()
+}
+
+configurations.all {
+    resolutionStrategy {
+        // Fabric needs this.
+        force(
+                "commons-io:commons-io:2.5",
+                "org.ow2.asm:asm:7.1",
+                "org.ow2.asm:asm-commons:7.1"
+        )
+    }
+}
+
+dependencies {
+    implementation(gradleApi())
+    implementation("org.ajoberstar.grgit:grgit-gradle:3.1.1")
+    implementation("com.github.jengelman.gradle.plugins:shadow:5.1.0")
+    implementation("net.ltgt.apt-eclipse:net.ltgt.apt-eclipse.gradle.plugin:0.21")
+    implementation("net.ltgt.apt-idea:net.ltgt.apt-idea.gradle.plugin:0.21")
+    implementation("org.jfrog.buildinfo:build-info-extractor-gradle:4.9.7")
+}