首次提交：初始化项目代码

internal/interface/http/routes/captcha_routes.go

@@ -0,0 +1,17 @@
+package routes
+
+import (
+	"cloudnest/internal/interface/http/handler"
+	"github.com/gin-gonic/gin"
+)
+
+// RegisterCaptchaRoutes registers captcha-related routes.
+// RegisterCaptchaRoutes 注册验证码相关的路由。
+//
+// Routes:
+//   - GET /captcha: Generate a new captcha (returns captcha_id and image_url).
+//   - GET /captcha/:id/image: Get captcha image by ID.
+func RegisterCaptchaRoutes(r *gin.RouterGroup, h *handler.CaptchaHandler) {
+	r.GET("/captcha", h.GenerateCaptcha)
+	r.GET("/captcha/:id/image", h.GetCaptchaImage)
+}