Optimize class structure

src/main/kotlin/top/fatweb/api/param/permission/LoginParam.kt

@@ -0,0 +1,21 @@
+package top.fatweb.api.param.permission
+
+import io.swagger.v3.oas.annotations.media.Schema
+import jakarta.validation.constraints.NotBlank
+
+/**
+ * Login param
+ *
+ * @author FatttSnake, fatttsnake@gmail.com
+ * @since 1.0.0
+ */
+@Schema(description = "登录请求参数")
+data class LoginParam(
+    @Schema(description = "用户名", example = "test", required = true)
+    @field:NotBlank(message = "Username can not be blank")
+    val username: String? = null,
+
+    @Schema(description = "密码", example = "test123456", required = true)
+    @field:NotBlank(message = "Password can not be blank")
+    val password: String? = null
+)