Go: move logger to common module (#14545)

### What problem does this PR solve?

As title

### Type of change

- [x] Refactoring

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

internal/handler/error.go

@@ -18,17 +18,16 @@ package handler
 
 import (
 	"net/http"
+	"ragflow/internal/common"
 
 	"github.com/gin-gonic/gin"
 	"go.uber.org/zap"
-
-	"ragflow/internal/logger"
 )
 
 // HandleNoRoute handles requests to undefined routes
 func HandleNoRoute(c *gin.Context) {
 	// Log the request details on server side
-	logger.Logger.Warn("The requested URL was not found",
+	common.Logger.Warn("The requested URL was not found",
 		zap.String("method", c.Request.Method),
 		zap.String("path", c.Request.URL.Path),
 		zap.String("query", c.Request.URL.RawQuery),