fix: ensure the python app has a requirements.txt file
fix: ensure the python app has a requirements.txt file

Without this, detection will fail on the heroku/python buildpack.

claytonbrown/dokku,progrium/dokku,dokku/dokku,dokku/dokku,dokku/dokku,progrium/dokku,dokku/dokku,dokku/dokku,claytonbrown/dokku,claytonbrown/dokku,dokku/dokku,claytonbrown/dokku,claytonbrown/dokku,claytonbrown/dokku,progrium/dokku,dokku/dokku,progrium/dokku,progrium/dokku,progrium/dokku,progrium/dokku,claytonbrown/dokku,progrium/dokku,dokku/dokku,claytonbrown/dokku