Automated n8n Workflows Backup on GitLab with Username Organization

Overview This solution ensures the secure backup and version control of your self-hosted n8n workflows by storing them in a GitLab repository. It compares current workflows with their GitLab counterparts, updates files when differences are detected, and organizes them in user-specific folders (e.g., repo -> username -> workflow.json). Backups are triggered manually or weekly, with a success notification sent via email. Operational Process Manual Backup Trigger: Initiates the backup process on demand. Scheduled Weekly Backup: Automatically triggers the backup every week. Fetch N8N Workflows: Retrieves all workflows from n8n using the API (getAll:workflow). Prepare Backup Metadata: Gener

Help me set up the n8n workflow "Automated n8n Workflows Backup on GitLab with Username Organization" (https://n8n.io/workflows/5616). It uses: Send Email, GitLab. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.