feat: add version history drawer with release notes

Introduce a footer-triggered Version History drawer with categorized release notes, hardcoded release data, and semver tracking at v0.3.0. Also ships blog blockquote/table styling, site-wide typography, home page image updates, header refinements, and related bug fixes.

Co-authored-by: Cursor <cursoragent@cursor.com>

components/ui/empty.tsx

@@ -73,7 +73,7 @@ function EmptyDescription({ className, ...props }: React.ComponentProps<"p">) {
     <div
       data-slot="empty-description"
       className={cn(
-        "text-muted-foreground [&>a:hover]:text-primary text-sm/relaxed [&>a]:underline [&>a]:underline-offset-4",
+        "text-muted-foreground [&>a]:text-accent text-sm/relaxed [&>a]:underline [&>a]:underline-offset-4 hover:[&>a]:no-underline",
         className
       )}
       {...props}