* Change default of style to dark
* Separate cursor into standalone def
* Docs on timepicker and templating fields
Also add what appear to be timepicker-related fields
* Separate out AnnotationQuery definition
* Add memberNames for DashboardCursorSync
* Add sketch of VariableModel for templating field
Also changes label field from frontend from null to optional.
* Use constraints to enforce non-empty panel type
Negation (!="") was breaking openapi exporter
* Add types and fields for links
* Remove panelVersion fields
These weren't right anyway, and they revealed a bug in the CUE openapi
generator
* Remove null label value from test
* Narrow type and set bounds on month field
* Adapt Go dashboard schema to lineage changes
