feat: add admin guard and JWT role support

- Create AdminGuard to check user role
- Update JWT strategy to include role in payload
- Update auth service to include role in token generation
- Prepare admin module structure
- TypeScript will resolve lint errors after server restart

apps/api/dist/auth/auth.service.js

@@ -317,10 +317,15 @@ let AuthService = class AuthService {
             token,
         };
     }
-    generateToken(userId, email) {
+    async generateToken(userId, email) {
+        const user = await this.prisma.user.findUnique({
+            where: { id: userId },
+            select: { role: true },
+        });
         return this.jwtService.sign({
             sub: userId,
             email,
+            role: user?.role || 'user',
         });
     }
     generateTempToken(userId, email) {