List and delete

curl "https://app.diagramkit.ai/api/v1/diagrams?limit=5" -H "Authorization: Bearer $DIAGRAMKIT_KEY"
# {"diagrams": [{"id", "title", "status", "versions", "origin", "created_at", "updated_at"}, …]}

curl -X DELETE https://app.diagramkit.ai/api/v1/diagrams/DIAGRAM_ID -H "Authorization: Bearer $DIAGRAMKIT_KEY"
# {"deleted": true}