Config model and controllers

routes/config.js

@@ -0,0 +1,23 @@
+const express = require('express');
+const router = express.Router();
+
+const {
+  createPair,
+  getAllPairs,
+  getSinglePair,
+  updateValue,
+  deletePair
+} = require('../controllers/config');
+
+router
+  .route('')
+  .post(createPair)
+  .get(getAllPairs);
+
+router
+  .route('/:key')
+  .get(getSinglePair)
+  .put(updateValue)
+  .delete(deletePair);
+
+module.exports = router;