docs: 添加 react-spring 需求

cncolder · cncolder · commit f5523cd138bd · 2020-05-21T12:40:11.000+08:00
diff --git a/docs/react-spring.mdx b/docs/react-spring.mdx
@@ -9,6 +9,7 @@ sidebar_label: react-spring
 ### 需求
 
 - `requestAnimationFrame`
+- `performance.now`
 
 ### 使用
 
