feat(docs): add title

Author: carwack

content/2.styled-system/1.style-props.md

@@ -6,6 +6,8 @@ description:
 category: 'features'
 ---
 
+# Style Props
+
 Style props are a way to alter the style of a component by simply passing props
 to it. It helps to save time by providing helpful shorthand ways to style
 components.