Add support to output jvm property from the cli app (#21)

Co-authored-by: rick <linuxsuren@users.noreply.github.com>

Author: LinuxSuRen

src/main/java/cli/App.java

@@ -6,5 +6,6 @@
 public class App {
     public static void main(String[] args) {
         System.out.println("Env: NAME=" + System.getenv("NAME"));
+        System.out.println("Property: cli.name=" + System.getProperty("cli.name"));
     }
 }