feat: add leaderboard declarations

server/src/api/controllers/leaderboardController.js

@@ -0,0 +1,5 @@
+import { asyncHandler } from '../../middleware/error.js'
+
+export default asyncHandler(async (req, res) => {
+  res.json({ message: 'leaderboard' })
+})

server/src/api/routes/index.js

@@ -7,6 +7,7 @@ import authRouter from './authRouter.js'
 import authRequired from '../../middleware/authRequired.js'
 import userRouter from './userRouter.js'
 import config from '../../config.js'
+import leaderboardController from '../controllers/leaderboardController.js'
 
 const router = Router()
 
@@ -48,4 +49,6 @@ router.get('/bug-report', (req, res) => {
   res.redirect(config.bugReportUrl)
 })
 
+router.get('/leaderboard', leaderboardController)
+
 export default router