fix: Default to Billy Strings (populated) instead of Goose

frontend/app/page.tsx

@@ -56,7 +56,7 @@ export default async function HomePage() {
             <Link href="/onboarding">Get Started</Link>
           </Button>
           <Button asChild variant="outline" size="lg">
-            <Link href="/goose">Explore Shows</Link>
+            <Link href="/billy-strings">Explore Shows</Link>
           </Button>
         </div>
       </section>

frontend/config/verticals.ts

@@ -1,9 +1,9 @@
 export const VERTICALS = [
+    { slug: "billy-strings", name: "Billy Strings" },
     { slug: "phish", name: "Phish" },
-    { slug: "goose", name: "Goose" },
     { slug: "grateful-dead", name: "Grateful Dead" },
     { slug: "dead-and-company", name: "Dead & Company" },
-    { slug: "billy-strings", name: "Billy Strings" },
+    { slug: "goose", name: "Goose" },
 ] as const
 
 export type VerticalSlug = typeof VERTICALS[number]["slug"]