fix: fix build publicUrl with tailing slash

Author: RyanLiu0235

config/paths.js

@@ -38,5 +38,5 @@ module.exports = {
   testsSetup: resolveApp('src/setupTests.js'),
   appNodeModules: resolveApp('node_modules'),
   publicUrl: getPublicUrl(resolveApp('package.json')),
-  servedPath: '/cnode-react',
+  servedPath: '/cnode-react/',
 };