Init dir and git
cd ~/Dropbox/Christine-Wilson/Websites/connectcreatives.com
git init

Add file
git add new_file_here
git add -u
git add -a

Commit file
git commit -m "commit-name" 

Push to server
git remote add origin git@github.com:cj3wilso/Connect-Creatives.git
git push origin master


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EXTRA INFO

Current directory for project:
cd ~/Dropbox/Christine-Wilson/Websites/connectcreatives.com

Change repository URL:
git remote set-url origin git@github.com:cj3wilso/Connect-Creatives.git