Handle published events webhook

curl --request POST \
  --url https://apps-studio.thena.ai/incoming-webhook/events \
  --header 'Content-Type: application/json' \
  --header 'x-bot-key: <x-bot-key>' \
  --data '{
  "event_name": "linear.contact.synced",
  "payload": {}
}'

{
  "success": true,
  "messageId": "12345678-1234-1234-1234-123456789012",
  "timestamp": "2024-02-20T12:00:00Z"
}