[wip] Rework Shop

- Change strategy for content fetching
- Add a route per page instead of using __layout for all
- Change the behaviors of the posters section (add a carousel on small screens)
- Change Poster buttons styling and make interactions only for desktop

src/routes/__layout.svelte

@@ -3,7 +3,6 @@
     import { navigating, page } from '$app/stores'
     import { onMount, setContext } from 'svelte'
     import { pageLoading, previousPage } from '$utils/stores'
-    import { scrollToTop } from '$utils/functions'
     import { DURATION } from '$utils/contants'
     import '$utils/polyfills'
     // Components