Olá, alguém poderia me dar uma luz sobre esse erro ao tentar realizar deploy no Heroku?
-----> Building on the Heroku-20 stack -----> Determining which buildpack to use for this app ! No default language could be detected for this app. HINT: This occurs when Heroku cannot detect the buildpack to use for this application automatically. See https://devcenter.heroku.com/articles/buildpacks ! Push failed
Grato desde já.