Update comment for the java doc and add two main contributors

Signed-off-by: Geert Mulders <[email protected]>

measure/build.gradle.kts

@@ -42,7 +42,7 @@ kotlin {
 }
 
 java {
-    // We add both the sources and the javadoc jar.
+    // Add a task that will package the sources of the main SourceSet in a JAR with classifier `sources`.
     withSourcesJar()
 }
 
@@ -81,6 +81,14 @@ mavenPublishing {
                 name.set("Geert Mulders")
                 email.set("[email protected]")
             }
+            developer {
+                id.set("cflist")
+                name.set("Coen van der List")
+            }
+            developer {
+                id.set("BaukjeD")
+                name.set("Baukje Debets")
+            }
         }
         scm {
             url.set("https://github.com/alliander-opensource/measure")