Add icon down

src/components/timeline/TimelineCard.tsx

@@ -1,5 +1,6 @@
 import react, {Children, ReactNode} from 'react'
 import TimelineCardSummary from './TimelineCardSummary'
+import { FaCaretDown } from 'react-icons/fa'
 
 type TimelineCardProps = {
   children: react.ReactElement<any, react.JSXElementConstructor<any>>[]
@@ -17,7 +18,10 @@ function TimelineCard({ children } : TimelineCardProps) {
   });
   return (
     <details>
-      <summary>{titles}</summary>
+      <summary>
+        {titles}
+        <i><FaCaretDown/></i>
+      </summary>
       <div>{childrens}</div>
     </details>
   )