feat: add discover page with surprise me and deduplication

templates/components/anime_card.gohtml

@@ -5,6 +5,7 @@
 {{$hideTitle := .HideTitle}}
 {{$isWatchlist := .IsWatchlist}}
 {{$hasTopBadge := .HasTopBadge}}
+{{$dataId := printf "id-%d" $anime.MalID}}
 
 {{$imageUrl := "https://placehold.co/400x600?text=No+Image"}}
 {{if $anime.Images.Webp.LargeImageURL}}
@@ -18,7 +19,7 @@
   {{$displayTitle = $anime.TitleEnglish}}
 {{end}}
 
-<div class="flex w-full flex-col gap-2">
+<div class="flex w-full flex-col gap-2" data-id="{{$dataId}}">
   <a href="/anime/{{$anime.MalID}}" class="group relative flex aspect-[2/3] w-full flex-col overflow-hidden bg-white/5 after:absolute after:inset-0 {{if $withActions}}after:bg-black/80 after:opacity-0 hover:after:opacity-100{{else}}after:bg-linear-to-t after:from-black/80 after:via-black/20 after:to-transparent after:opacity-80 hover:after:opacity-100{{end}} after:transition-opacity">
     <img src="{{$imageUrl}}" alt="{{$displayTitle}}" class="h-full w-full object-cover" loading="lazy" />