add: 登录

src/main/java/com/dota/nexus/entity/User.java

@@ -0,0 +1,14 @@
+package com.dota.nexus.entity;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode(callSuper = true)
+@Data
+public class User extends Entity{
+    private String name;
+
+    private String password;
+
+    private String nickname;
+}