Initial landing page for SagePHR

- Hero section with clear value prop
- Problem/solution framing
- Feature grid
- Pricing section (early adopter /mo)
- Email waitlist signup (Formspree)
- Responsive design
- Dark theme with sage green accent

next.config.ts

@@ -0,0 +1,8 @@
+import type { NextConfig } from 'next'
+
+const nextConfig: NextConfig = {
+  output: 'export',
+  images: { unoptimized: true }
+}
+
+export default nextConfig