Adds a name key value pair to the fontSizes.

seedlet-blocks/experimental-theme.json

@@ -68,22 +68,27 @@
 				"customLineHeight": true,
 				"fontSizes": [
 					{
+						"name": "Tiny",
 						"slug": "tiny",
 						"size": 14
 					},
 					{
+						"name": "Small",
 						"slug": "small",
 						"size": 16
 					},
 					{
+						"name": "Normal",
 						"slug": "normal",
 						"size": 18
 					},
 					{
+						"name": "Large",
 						"slug": "large",
 						"size": 24
 					},
 					{
+						"name": "Huge",
 						"slug": "huge",
 						"size": 28
 					}