I am trying to follow the Project Odin plan to install all necessary things in order to learn how to code. Idin Project has sent me to: http://installfest.railsbridge.org/installfest/deploy_a_rails_app in order to install these things. I am stuck at this part:
Step 2.2: Prepare your rails app for deploying to Heroku
Launch your text editor and open the "Gemfile" file located inside of your test_app folder. (On Windows, this should be in C:\Sites\railsbridge\test_app and on Linux/OS X, it should be under ~/railsbridge/test_app.)
So I launch Atom. I find the railsbridge testapp folder. I can see the "Gemfile" file but it is greyed out. (showing hidden files setting makes no difference).
How do I ungrey the "Gemfile" file so that I can open it in Atom?