我尝试将JS集成到一个新站点。主服务器中的所有内容都是最新的，composer.json和index.php文件都是正确的。我有一个单独的/ js文件夹，里面有一些简单的JavaScript。
**为什么Heroku推出有问题？ **
Mark$ git push heroku master
Counting objects: 10, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (6/6), done.
Writing objects: 100% (10/10), 972 bytes | 0 bytes/s, done.
Total 10 (delta 0), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote:
remote: ! Push rejected, no Cedar-supported app detected
remote: HINT: This occurs when Heroku cannot detect the buildpack
remote: to use for this application automatically.
remote: See https://devcenter.heroku.com/articles/buildpacks
remote:
remote: Verifying deploy....
remote:
remote: ! Push rejected to thawing-plateau-2867.
remote:
To https://git.heroku.com/thawing-plateau-2867.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/thawing-plateau-2867.git'