update git url remote code example

Example 1: set remote url git

$ git remote add origin https://github.com/user/repo.git
# Set a new remote

$ git remote -v
# Verify new remote
> origin  https://github.com/user/repo.git (fetch)
> origin  https://github.com/user/repo.git (push)

Example 2: set origin url git

git remote add origin <git_url>