list warning fixed

Author: pashidlos

src/components/SkeletonList.tsx

@@ -3,10 +3,11 @@ import { Box } from "@material-ui/core";
 import { Skeleton } from "@material-ui/lab";
 
 export const SkeletonList: React.FunctionComponent = () => {
+  const list = [1, 2, 3, 4, 5, 6, 7, 8, 9];
   return (
     <React.Fragment>
-      {[...Array(9)].map((i) => (
-        <Box p={0.5}>
+      {list.map((i) => (
+        <Box p={0.5} key={i}>
           <Skeleton variant="rect" height={80} />
         </Box>
       ))}