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.

docker-compose.yml

@@ -0,0 +1,35 @@
+services:
+  db:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${POSTGRES_DB}
+    healthcheck:
+      test:
+        ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    volumes:
+      - db_data:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+
+  app:
+    build: .
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    env_file:
+      - .env
+    environment:
+      DATABASE_URL: ${DATABASE_URL}
+    ports:
+      - "${WEB_PORT}:3000"
+    command: sh -c "npx prisma db push && npx prisma db seed && npm run start"
+
+volumes:
+  db_data: