feat: initialize project with Next.js, Prisma, and Tailwind CSS

- Add package.json with dependencies and scripts for Next.js and Prisma
- Implement API routes for session management, user authentication, and company configuration
- Create database schema for Company, User, and Session models in Prisma
- Set up authentication with NextAuth and JWT
- Add password reset functionality and user registration endpoint
- Configure Tailwind CSS and PostCSS for styling
- Implement metrics and dashboard settings API endpoints

app/page.tsx

@@ -0,0 +1,9 @@
+import { getServerSession } from 'next-auth';
+import { redirect } from 'next/navigation';
+import { authOptions } from '../pages/api/auth/[...nextauth]';
+
+export default async function HomePage() {
+  const session = await getServerSession(authOptions);
+  if (session?.user) redirect('/dashboard');
+  else redirect('/login');
+}