change name action for api

stubs/api/db.js

@@ -0,0 +1,17 @@
+// Read already defined users (pseudo-DB)
+const users = require('./auth/users.json');
+
+const getUserFromDB = (userID) => {
+    if (!userID) {return false;}
+
+    // Accessing 'DB'
+    const user = users.find((user) => user.id === userID);
+
+    if (user) {
+        return user;
+    } else {
+        return false;
+    }
+}
+
+module.exports = {users, getUserFromDB}