add: static lib

app.js

@@ -19,6 +19,7 @@ app.use(express.json());
 app.use(express.urlencoded({ extended: false }));
 app.use(cookieParser());
 app.use('/src', express.static(path.join(__dirname, '/src')));
+app.use('/lib', express.static(path.join(__dirname, '/lib')));
 app.use('/img', express.static(path.join(__dirname, '/img')));
 app.use(express.static(path.join(__dirname, 'examples')));