Increase docs site logo size from h-5 to h-7

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: mokuwaki

src/components/docs/DocsLogo.tsx

@@ -4,7 +4,7 @@ import { RollberryLogo } from "@/components/icons/RollberryLogo";
 export function DocsLogo() {
   return (
     <Link href="/docs" className="flex items-center gap-2.5 no-underline">
-      <RollberryLogo className="h-5 w-auto" />
+      <RollberryLogo className="h-7 w-auto" />
       <span
         className="rounded px-1.5 py-0.5 text-[10px] font-medium uppercase tracking-wider"
         style={{