add nav router

server/routers/todo/index.js

@@ -5,9 +5,11 @@ const router = Router()
 const todoRouter = require('./routes')
 const authRouter = require('./auth')
 const commentRouter = require('./comment')
+const navRouter = require('./nav')
 
 router.use('/auth', authRouter)
 router.use('/comment', commentRouter)
+router.use('/nav', navRouter)
 
 router.use(todoRouter)