Integrate Qiniu upload service and update configuration

- Added Qiniu configuration options to .env.example and config.go for file uploads.
- Refactored main.go to include new Qiniu service and upload handler.
- Updated route registration to accommodate the new upload handler.
- Enhanced documentation to include references for Qiniu upload functionality.
- Removed legacy authentication handler and services to streamline the codebase.

cmd/api/main.go

@@ -6,14 +6,16 @@ import (
 	"github.com/gin-gonic/gin"
 
 	"wx_service/config"
+	authhandler "wx_service/internal/common/auth/handler"
+	authservice "wx_service/internal/common/auth/service"
+	commonhandler "wx_service/internal/common/handler"
+	commonservice "wx_service/internal/common/service"
 	"wx_service/internal/database"
-	"wx_service/internal/handler"
 	"wx_service/internal/model"
 	rmhandler "wx_service/internal/remove_watermark/handler"
 	rmmodel "wx_service/internal/remove_watermark/model"
 	rmservice "wx_service/internal/remove_watermark/service"
 	"wx_service/internal/routes"
-	"wx_service/internal/service"
 	smokehandler "wx_service/internal/smoke/handler"
 	smokemodel "wx_service/internal/smoke/model"
 	smokeservice "wx_service/internal/smoke/service"
@@ -43,9 +45,9 @@ func main() {
 	router := gin.Default()
 
 	// 5) 依赖注入：先创建 service，再创建 handler（handler 只关心 HTTP 输入/输出）
-	miniProgramService := service.NewMiniProgramService(database.DB)
-	authService := service.NewAuthService(database.DB, miniProgramService)
-	authHandler := handler.NewAuthHandler(authService)
+	miniProgramService := authservice.NewMiniProgramService(database.DB)
+	authService := authservice.NewAuthService(database.DB, miniProgramService)
+	authHandler := authhandler.NewAuthHandler(authService)
 	videoService, err := rmservice.NewVideoService(database.DB, config.AppConfig.ShortVideo)
 	if err != nil {
 		log.Fatalf("init video service failed: %v", err)
@@ -55,8 +57,11 @@ func main() {
 	smokeLogService := smokeservice.NewSmokeLogService(database.DB)
 	smokeHandler := smokehandler.NewSmokeHandler(smokeLogService)
 
+	qiniuService := commonservice.NewQiniuService(config.AppConfig.Qiniu)
+	uploadHandler := commonhandler.NewUploadHandler(qiniuService)
+
 	// 6) 注册路由：把 URL 映射到 handler
-	routes.Register(router, database.DB, authHandler, videoHandler, smokeHandler)
+	routes.Register(router, database.DB, authHandler, videoHandler, smokeHandler, uploadHandler)
 
 	// 7) 启动监听端口
 	addr := ":" + config.AppConfig.Server.Port