Add map editor only tooltips

mods/cnc/rules/misc.yaml

@@ -26,6 +26,8 @@ CRATE:
 		Units: mcv
 
 mpspawn:
+	EditorOnlyTooltip:
+		Name: (multiplayer player starting point)
 	AlwaysVisible:
 	Immobile:
 		OccupiesSpace: false
@@ -35,6 +37,8 @@ mpspawn:
 		QuantizedFacings: 1
 
 waypoint:
+	EditorOnlyTooltip:
+		Name: (waypoint for scripted behavior)
 	AlwaysVisible:
 	Immobile:
 		OccupiesSpace: false
@@ -50,6 +54,8 @@ waypoint:
 		Palette: colorpicker
 
 CAMERA:
+	EditorOnlyTooltip:
+		Name: (reveals area to owner)
 	AlwaysVisible:
 	WithSpriteBody:
 	RenderSpritesEditorOnly:
@@ -64,6 +70,8 @@ CAMERA:
 		Type: CenterPosition
 
 CAMERA.small:
+	EditorOnlyTooltip:
+		Name: (reveals small area to owner)
 	AlwaysVisible:
 	WithSpriteBody:
 	RenderSpritesEditorOnly: