feat: create hackerspace management app landing page

Add dark aesthetic, animated UI previews, icon-only design, clean copy, responsive layout, stats section, feature grid, clear CTAs

Co-authored-by: Moheeb Zara <[email protected]>

app/(landing)/layout.tsx

@@ -0,0 +1,14 @@
+import type { Metadata } from 'next'
+
+export const metadata: Metadata = {
+  title: 'hackerspace.sh — Operational Software for Makerspaces',
+  description: 'Member management, dues tracking, task coordination, and project visibility. Built by people who have actually run these spaces.',
+}
+
+export default function LandingLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  return children
+}