* create page and sidebar entry
* add components for query editor and definition
* split pane things
* add reducer and action
* implement split pane and update ui actions
* making things pretty
* Unify toolbar
* minor tweak to title prefix and some padding
* can create definitions
* fix default state
* add notificaion channel
* add wrappers to get correct spacing between panes
* include or exclude description
* implement query editor
* start on query result component
* update from master
* some cleanup and remove expressions touch ups
Co-authored-by: Torkel Ödegaard <torkel@grafana.com>
