feat(tools): Adds command to create new branch and switch to at same time

Author: rfsjim

tools/README.md

@@ -122,6 +122,9 @@ Sometimes, the same lines in a file will have been changed by two different bran
 
 When you don’t need a branch anymore, it can be deleted using `git branch -d <branch_name>` if the branch has already been merged into main, or with `git branch -D <branch_name>` if it hasn’t. You will usually want to delete branches when you’re done with them, otherwise they can pile up and make it more difficult to find the branch you’re looking for when you need it.
 
+`git checkout -b <branch_name>` Create a new branch and immediately switch to new branch.
+`git switch -c <branch_name>` Git 2.23 version but previous command also works.
+
 #### Sharing Code
 Another great use case for branches is to share code with others that you might not want to commit to your main branch (or feature branch) at all.