Create workflow

curl --location --request POST 'https://snakk-backend-production.up.railway.app/api/workflows' \
--header 'X-API-Key: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "name": "Customer Service Flow",
    "description": "Handles customer inquiries",
    "definition": {
        "version": "1.0",
        "initialAgent": "greeting",
        "agents": {
            "greeting": {
                "name": "Velkomst",
                "instructions": "Hils på kunden og finn ut hva de trenger.",
                "tools": [
                    "search_knowledge_base"
                ],
                "handoffs": [
                    {
                        "targetAgent": "booking",
                        "condition": {
                            "type": "intent",
                            "intent": "booking"
                        },
                        "preserveContext": true
                    }
                ],
                "availableTasks": [],
                "availableTaskGroups": []
            },
            "booking": {
                "name": "Booking",
                "instructions": "Hjelp med å booke avtale.",
                "tools": [
                    "book_appointment"
                ],
                "handoffs": [],
                "availableTasks": [],
                "availableTaskGroups": []
            }
        },
        "tasks": {},
        "taskGroups": {}
    }
}'