I created a small MERN App. But when i try to deploy, i get an error Application not supported by 'heroku/nodejs' buildpack
-----> Building on the Heroku-22 stack
-----> Using buildpack: heroku/nodejs
-----> App not compatible with buildpack: https://buildpack-registry.s3.amazonaws.com/buildpacks/heroku/nodejs.tgz
! ERROR: Application not supported by 'heroku/nodejs' buildpack
!
! The 'heroku/nodejs' buildpack is set on this application, but was
! unable to detect a Node.js codebase.
!
! A Node.js app on Heroku requires a 'package.json' at the root of
! the directory structure.
!
! If you are trying to deploy a Node.js application, ensure that this
! file is present at the top level directory. This directory has the
! following files:
!
! client/
! server/
!
! If you are trying to deploy an application written in another
! language, you need to change the list of buildpacks set on your
! Heroku app using the 'heroku buildpacks' command.
!
! For more information, refer to the following documentation:
! https://devcenter.heroku.com/articles/buildpacks
! https://devcenter.heroku.com/articles/nodejs-support#activation
More info: https://devcenter.heroku.com/articles/buildpacks#detection-failure
! Push failed