Add license to jars and pom (#22)

build.gradle

@@ -6,6 +6,7 @@ plugins {
 
 group = 'com.github.zxhr'
 version = '0.0.1-SNAPSHOT'
+description = 'Plugins for seamlessly using the Xtext DSL language generator with Gradle'
 
 ext {
     xtextVersion = '2.22.0'
@@ -92,12 +93,25 @@ gradlePlugin {
 }
 
 pluginBundle {
-    website = 'https://github.com/zxhr/gradle-xtext-generator/'
+    website = 'https://github.com/zxhr/gradle-xtext-generator'
     vcsUrl = website
     tags = ['xtext', 'mwe2']
 }
 
 publishing {
+    publications.withType(MavenPublication) {
+        pom {
+            description = project.description
+            url = pluginBundle.website
+            licenses {
+                license {
+                    name = 'MIT License'
+                    url = "${pluginBundle.website}/blob/master/LICENSE.md"
+                    distribution = 'repo'
+                }
+            }
+        }
+    }
     repositories {
         maven {
             name = 'test'
@@ -149,6 +163,12 @@ tasks.named(JavaPlugin.JAVADOC_TASK_NAME) {
     }
 }
 
+tasks.withType(Jar).configureEach {
+    metaInf {
+        from 'LICENSE.md'
+    }
+}
+
 dependencyLocking {
     lockAllConfigurations()
 }