Fork the project on Github and check out your copy.
git clone https://github.com/<contributor>/webpacker_uploader.git
cd webpacker_uploader
git remote add upstream https://github.com/tlatsas/webpacker_uploader.git
Make sure your fork is up-to-date and create a topic branch for your feature or bug fix.
git checkout master
git pull upstream master
git checkout -b my-feature-branch