error: src refspec master does not match any error: failed to push some refs to 'https://git.heroku.com/boilerplate-npm-tuto.git code example
Example 1: git push heroku master error: src refspec master does not match any error: failed to push some refs to 'https://git.heroku.com/write-any.git'
git push heroku HEAD:master
Example 2: rror: src refspec master does not match any. error: failed to push some refs to 'https://git.heroku.com/thawing-retreat-68019.git'
git push heroku HEAD:master