add license info to pom file

Author: jenschude

build.gradle

@@ -215,6 +215,13 @@ subprojects { project ->
                             }
                         }
                         url = scmHttpsUrl
+                        licenses {
+                            license {
+                                name = "Apache License, Version 2.0"
+                                url = "https://www.apache.org/licenses/LICENSE-2.0"
+                                distribution = "repo"
+                            }
+                        }
                     }
                 }
             }