style(chunk): Delete unnecessary white space (#14)

Co-authored-by: Sojin Park <raon0211@toss.im>

src/array/chunk.ts

@@ -33,7 +33,7 @@ export function chunk<T>(arr: T[], size: number): T[][] {
     const start = index * size;
     const end = start + size;
 
-    result[index] = arr.slice( start, end);
+    result[index] = arr.slice(start, end);
   }
 
   return result;