build: set apache license in mvn artifacts

Author: benedekh

build.gradle.kts

@@ -217,7 +217,7 @@ allprojects {
         }
     }
 
-    // Set maven metadata for all known publishing tasks. The exact tasks and names are only known after evaluatin.
+    // Set maven metadata for all known publishing tasks. The exact tasks and names are only known after evaluation.
     afterEvaluate {
         tasks.withType<AbstractPublishToMaven>() {
             this.publication?.apply {
@@ -234,6 +234,12 @@ fun MavenPublication.setMetadata() {
             connection.set("scm:git:https://github.com/modelix/modelix.core.git")
             url.set("https://github.com/modelix/modelix.core")
         }
+        licenses {
+            license {
+                name.set("The Apache License, Version 2.0")
+                url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+            }
+        }
     }
 }