add steps styling and update heading styles

Author: LadyBluenotes

old pages/quick-start.mdx

@@ -17,7 +17,7 @@
 	},
 	"dependencies": {
 		"@kobalte/core": "^0.13.11",
-		"@kobalte/solidbase": "^0.2.17",
+		"@kobalte/solidbase": "^0.2.19",
 		"@oramacloud/client": "^2.1.4",
 		"@solid-primitives/event-listener": "^2.4.3",
 		"@solid-primitives/marker": "^0.2.2",