refactor: convert to bun workspaces monorepo

- Move web app into apps/web/
- Create packages/shared/ with shared types
- Create plugins/decky-vault/ scaffold
- Root package.json manages workspaces only

apps/web/components/updates/update-card.tsx

@@ -0,0 +1,31 @@
+import Link from "next/link"
+import type { UpdateMeta } from "@/lib/updates"
+
+export function UpdateCard({ update }: { update: UpdateMeta }) {
+    const formattedDate = new Date(update.date).toLocaleDateString("en-US", {
+        year: "numeric",
+        month: "long",
+        day: "numeric",
+    })
+
+    return (
+        <Link href={`/updates/${update.slug}`}>
+            <article className='group flex flex-col gap-2 p-4 border border-border rounded-md hover:bg-text/3 transition-colors'>
+                <div className='flex flex-row items-center gap-2'>
+                    <span className='text-xs font-mono px-2 py-0.5 rounded bg-primary/10 text-primary border border-primary/20'>
+                        v{update.version}
+                    </span>
+                    <time className='text-xs text-text/60'>
+                        {formattedDate}
+                    </time>
+                </div>
+                <h3 className='text-lg font-semibold group-hover:text-primary transition-colors'>
+                    {update.title}
+                </h3>
+                <p className='text-sm text-text/60 line-clamp-2'>
+                    {update.summary}
+                </p>
+            </article>
+        </Link>
+    )
+}