Merge pull request #1527 from HonkingGoose/add-tip-github-CLI-tool

Add tip to point to the official GitHub CLI tool

Author: ben

book/06-github/sections/2-contributing.asc

@@ -49,6 +49,13 @@ This is basically the Integration Manager workflow covered in <<ch05-distributed
 
 Let's walk through an example of proposing a change to an open source project hosted on GitHub using this flow.
 
+[TIP]
+====
+You can use the official *GitHub CLI* tool instead of the GitHub web interface for most things.
+The tool can be used on Windows, MacOS, and Linux systems.
+Go to the https://cli.github.com/[GitHub CLI homepage] for installation instructions and the manual.
+====
+
 ===== Creating a Pull Request
 
 Tony is looking for code to run on his Arduino programmable microcontroller and has found a great program file on GitHub at https://github.com/schacon/blink[].