Fix tabIndex to 0

src/features/TaskCard/TaskCard.js

@@ -13,7 +13,7 @@ export function TaskCard({ cardData, listID }) {
   return !isEditing ? (
     <div
       className={styles.cardContainer}
-      tabIndex={1}
+      tabIndex={0}
       onDoubleClick={startEditing}
     >
       <div>{cardData.text}</div>

src/features/TaskList/TaskList.js

@@ -12,7 +12,7 @@ export function TaskList({ listData }) {
   const dispatch = useDispatch();
 
   return (
-    <div className={styles.listContainer} tabIndex={1}>
+    <div className={styles.listContainer} tabIndex={0}>
       <h3 className={styles.listName}>{listData.name}</h3>
       <div className={styles.cardsContainer}>
         {listData.cards.map(cardData => (