Internal: Created a "three vertical dots" icon for the toolbar grouping feature (see ckeditor/ckeditor5#416).
@@ -0,0 +1 @@
+<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>