feat(middleware): add RouteTag middleware for enhanced logging and routing

- Introduced RouteTag middleware to set route tags for different API endpoints.
- Updated logger to include route tags in log output.
- Applied RouteTag middleware across various routers including API, dashboard, relay, video, and web routers for consistent logging.

router/main.go

@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/middleware"
 
 	"github.com/gin-gonic/gin"
 )
@@ -27,6 +28,7 @@ func SetRouter(router *gin.Engine, buildFS embed.FS, indexPage []byte) {
 	} else {
 		frontendBaseUrl = strings.TrimSuffix(frontendBaseUrl, "/")
 		router.NoRoute(func(c *gin.Context) {
+			c.Set(middleware.RouteTagKey, "web")
 			c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("%s%s", frontendBaseUrl, c.Request.RequestURI))
 		})
 	}