* Template editor syntax highlighting when preview is json-like
* Add new template editor language examples, snippets, and functions
* Use updated NewTemplate function
* Add new fields to webhook notifier
- CustomPayload
- ExtraHeaders
* Documentation
* Update grafana/alerting to in-progress PR (needs updating after merge)
* Fix integration test
* Remove docs reference to .Extra template context
No longer exists, was part of a previous iteration
* make update-workspace
* Update grafana/alerting to actual merged commit