Export to consolidate test imports

Author: nuxy

exports.js

@@ -0,0 +1,7 @@
+const RouterError = require('./src/router/Error.js');
+const Request     = require('./src/router/Request.js');
+const Response    = require('./src/router/Response.js');
+const Stack       = require('./src/router/Stack.js');
+const Utils       = require('./src/router/Utils.js');
+
+module.exports = {RouterError, Request, Response, Stack, Utils};