feat: 游戏房间

src/main/java/com/webgame/webgamebackend/entities/UserEntity.java

@@ -68,4 +68,10 @@ public class UserEntity extends UUIDBaseEntity {
      */
     @Column(name = "birthday")
     private LocalDate birthday;
+
+    /**
+     * 金币余额，默认 1000
+     */
+    @Column(name = "balance", nullable = false)
+    private Long balance = 1000L;
 }