add rel noreferrer

Fix error Security: Anchor with "target=_blank" should have rel attribute containing the value "noreferrer" (13:6)

site/content/tutorial/04-logic/04-each-blocks/text.md

@@ -26,4 +26,4 @@ You can get the current *index* as a second argument, like so:
 {/each}
 ```
 
-If you prefer, you can use destructuring — `each cats as { id, name }` — and replace `cat.id` and `cat.name` with `id` and `name`.
+If you prefer, you can use destructuring — `each cats as { id, name }` — and replace `cat.id` and `cat.name` with `id` and `name`.