feat(url-tree): implement the Put interface to support adding links directly to the UrlTree on the web side (#8312)

* feat(url-tree)支持PUT

* feat(url-tree) UrlTree更新时，需要将路径和内容分割 #8303

* fix: stdpath.Join call

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Andy Hsu <i@nn.ci>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

drivers/url_tree/driver.go

@@ -243,7 +243,25 @@ func (d *Urls) PutURL(ctx context.Context, dstDir model.Obj, name, url string) (
 }
 
 func (d *Urls) Put(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up driver.UpdateProgress) error {
-	return errs.UploadNotSupported
+	if !d.Writable {
+		return errs.PermissionDenied
+	}
+	d.mutex.Lock()
+	defer d.mutex.Unlock()
+	node := GetNodeFromRootByPath(d.root, dstDir.GetPath()) // parent
+	if node == nil {
+		return errs.ObjectNotFound
+	}
+	if node.isFile() {
+		return errs.NotFolder
+	}
+	file, err := parseFileLine(stream.GetName(), d.HeadSize)
+	if err != nil {
+		return err
+	}
+	node.Children = append(node.Children, file)
+	d.updateStorage()
+	return nil
 }
 
 func (d *Urls) updateStorage() {