🐛 Setup page transitions

Bugged for some reason, the old page stays before the new page loading at the end

src/routes/subscribe.svelte

@@ -1,5 +1,7 @@
 <script lang="ts">
+    import { fade } from 'svelte/transition'
     import dayjs from 'dayjs'
+    import { DURATION } from '$utils/contants'
     // Components
     import Metas from '$components/Metas.svelte'
     import Image from '$components/atoms/Image.svelte'
@@ -16,7 +18,10 @@
     image=""
 />
 
-<main class="subscribe">
+<main class="subscribe"
+    in:fade={{ duration: DURATION.PAGE_IN, delay: DURATION.PAGE_OUT }}
+    out:fade={{ duration: DURATION.PAGE_OUT }}
+>
     <Heading
         text="If you wish to be pinged when new photos are added to and limited prints become available on our shop, sign up below."
     />