Remove react warning

Author: Teddy Sterne

src/pages/game/components/TokenRow.tsx

@@ -39,14 +39,15 @@ export const TokenRow: FC<Props> = (props) => {
           {tokens.map((f, index) =>
             index === revealedIndex ? (
               <Fate
+                key={index}
                 num={f}
                 styles={{
                   margin: 2,
                   transform: "scale(0.65)",
                 }}
               />
             ) : (
-              <Tile />
+              <Tile key={index} />
             ),
           )}
         </FateRow>