how do I fix untracked files

Untracked files:
(use "git add ..." to include in what will be committed)
.ssh/
Library/
examplevote/

I tried all types of git clean -f -x commands and no luck. I am stuck on the git clone repository section of section 07. PIPELINE AS A CODE WITH JENKINSFILE.

When I 'git clone' the repository example app. example app shows in the repository but does not allow me to click on it as a folder. It shows a right arrow on top of the folder.

example-voting-app
cloned repo

running into an issue with a .git I believe