Service health checks, GitHub markdown import into a collection, an OAuth access-token fetch helper, and the page-content-updated event trigger that queues collection webhooks.

• Healthcheck — GET https://api.docstar.io/healthcheck
• Proxy Healthcheck Response — GET https://api.docstar.io/proxy-healthcheck-response
• Import From GitHub — POST https://api.docstar.io/import/github
• Fetch OAuth Access Token — POST https://api.docstar.io/auth/token
• Trigger Page Content Updated Event — POST https://api.docstar.io/api/event-trigger/update/:pageId