Optimize register api. Add verify Turnstile captcha to login api.

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

@@ -29,5 +29,15 @@ data class LoginParam(
      */
     @Schema(description = "密码", required = true)
     @field:NotBlank(message = "Password can not be blank")
-    val password: String?
+    val password: String?,
+
+    /**
+     * Captcha code
+     *
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     */
+    @Schema(description = "验证码", required = true)
+    @field:NotBlank(message = "Captcha code can not be blank")
+    val captchaCode: String?
 )