Creating shared folder on the Synology Disk Station: Log in to your Synology Station either via web or the Synology Assistants. Open File Explorer and press “Create Shared Folder” on the top left of the window. For more information take a look at the Synology wiki.
Xcode aren’t keen when deleting files or directory without it being notifies and there refused to commit which is a pain. What worked to fix it was to recreate an empty folder with the same name. No need to recreate its contents. After you committed you can delete the folder and commit again. Xcode is missing