add new branch code example

Example 1: git create new branch

// Example for creating a new branch named myNewBranch
git checkout -b myNewBranch

// First Push
git push --set-upstream origin myNewBranch

Example 2: create new branch git

$ git checkout -b [name_of_your_new_branch]

Example 3: git create new branch

// create and checkout new branch 
git checkout -b new_branch

Example 4: create new branch git

$ git checkout -b newBranchName