init: 划分模块

nl-web-app/src/main/java/org/nl/Main.java

@@ -0,0 +1,11 @@
+package org.nl;
+
+/**
+ * @Author: lyd
+ * @Date: ${DATE}
+ */
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+}