Storage: add support for snapshots, dataframes, and raw json objects (#57934)

pkg/models/object.go

@@ -9,6 +9,7 @@ import "context"
 const (
 	StandardKindDashboard = "dashboard"
 	StandardKindPlaylist  = "playlist"
+	StandardKindSnapshot  = "snapshot"
 	StandardKindFolder    = "folder"
 
 	// StandardKindDataSource: not a real kind yet, but used to define references from dashboards
@@ -28,6 +29,12 @@ const (
 	// StandardKindGeoJSON represents spatial data
 	StandardKindGeoJSON = "geojson"
 
+	// StandardKindDataFrame data frame
+	StandardKindDataFrame = "frame"
+
+	// StandardKindJSONObj generic json object
+	StandardKindJSONObj = "jsonobj"
+
 	// StandardKindQuery early development on panel query library
 	// the kind may need to change to better encapsulate { targets:[], transforms:[] }
 	StandardKindQuery = "query"