first commit

src/main/java/net/alawn/bill/entity/dto/AddUser.java

@@ -0,0 +1,20 @@
+package net.alawn.bill.entity.dto;
+
+import lombok.Builder;
+import lombok.Value;
+import net.alawn.bill.entity.po.User;
+
+@Value
+@Builder
+public class AddUser {
+
+    private String username;
+    private String password;
+
+    public User build() {
+        return User.builder()
+                .username(username)
+                .password(password)
+                .build();
+    }
+}