[Components] changes_page

# changes_page
## URLs
- https://docs.changes.page/reference/api-reference
## Webhook Sources
### new-page-change-instant
#### Description
Emit new event when a tracked webpage change is detected. Requires configuration of the monitored URL and optionally the specific content area to watch (e.g. CSS selector or XPath).
### new-monitor-instant
#### Description
Emit new event when a new page monitor is created. Useful for workflows that need to track newly added monitoring targets. Requires account connection.
### new-screenshot-captured-instant
#### Description
Emit new event when a screenshot is taken after a content change is detected. Useful when visual changes need to trigger downstream workflows. Requires monitored URL configuration.
## Actions
### create-monitor
#### Description
Create a new monitor to track a webpage for changes. Requires URL, check frequency, and optionally specific content areas (CSS selectors or patterns) to monitor.
### delete-monitor
#### Description
Delete an existing monitor by monitor ID or URL. Useful for managing lifecycle of tracked pages.
### trigger-check
#### Description
Manually trigger a check for a specific monitored webpage. Requires monitor ID or URL. Useful for verifying monitoring functionality or triggering scheduled change checks early.