feat: add authentication and user management features

- Implemented AuthButton component for Discord sign-in and sign-out functionality.
- Created CopyButton component for copying server IP addresses.
- Developed EventCard and GradeCard components for displaying events and grades.
- Added Footer and Navbar components for site navigation and information.
- Introduced PurchaseButton for handling grade purchases with Stripe integration.
- Created SectionHeader component for consistent section titles.
- Implemented session management with SessionProvider for NextAuth.
- Set up PostgreSQL database with Docker and Prisma for data management.
- Added admin guard functionality to restrict access to certain routes.
- Configured NextAuth with Discord provider for user authentication.
- Defined Prisma schema for user, admin, grade, event, and purchase models.
- Seeded database with initial grades and events data.
- Added SVG hero image for the landing page.
- Extended NextAuth types to include additional user properties.

package.json

@@ -6,10 +6,22 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint"
+    "lint": "eslint",
+    "prisma:generate": "prisma generate",
+    "prisma:migrate": "prisma migrate dev",
+    "prisma:deploy": "prisma migrate deploy",
+    "db:push": "prisma db push",
+    "db:seed": "prisma db seed"
+  },
+  "prisma": {
+    "seed": "node prisma/seed.mjs"
   },
   "dependencies": {
     "next": "16.2.4",
+    "next-auth": "^4.24.7",
+    "@next-auth/prisma-adapter": "^1.0.7",
+    "@prisma/client": "^5.22.0",
+    "stripe": "^14.25.0",
     "react": "19.2.4",
     "react-dom": "19.2.4"
   },
@@ -20,6 +32,7 @@
     "@types/react-dom": "^19",
     "eslint": "^9",
     "eslint-config-next": "16.2.4",
+    "prisma": "^5.22.0",
     "tailwindcss": "^4",
     "typescript": "^5"
   }