Add initial listener classes

build.gradle.kts

@@ -47,9 +47,9 @@ bukkit {
 
 fun gitCommit(): String {
     val os = ByteArrayOutputStream()
-//    project.exec {
-//        commandLine = "git rev-parse --short HEAD".split(" ")
-//        standardOutput = os
-//    }
+    project.exec {
+        commandLine = "git rev-parse --short HEAD".split(" ")
+        standardOutput = os
+    }
     return String(os.toByteArray()).trim()
 }