What does a grey icon in remote GitHub mean

Question

Can anyone please tell me why i have the grey icon when i push my files to github ? In side the app directory, there should be models, views , and controllers but in the remote GitHub I can't click in.

Answer 1

git rm --cached <folder_name>

Then go to the parent directory and do:

git add .
git commit -m "<your_message>"
git push --all