Add/update git repo url

1. initialize git in the project root

git init

.git folder will be generated in project root using above command

1. if .git folder already exist then check whether remote url exist using

git remote -v

1. to add repository url by copying using github.com and copy and clone option ( keep https or ssh ; depends on your choice and config )

git remote add origin <https://github.com/user/repo.git>

1. to update the remote URL

git remote set-url origin < https://github.com/user/repo.git>

1. check again using git remote -v