Capture and persist webhooks. https://blog.sequinstream.com/events-not-webhooks/

Todo:

• Public webhook endpoint
• Private endoint to fetch received webhooks
• Explicit whitelist of acceptable webhook paths
• Delete webhooks
• Built-in cursors [IN PROGRESS]
• Refactor into separate modules
• Allow long-polling
• DOCKERFILE
• example setup with docker-compose (sqlite volume, nginx blocks private endpoints from the internet)