Add GitHub flow to README.md

Author: arcticfly

README.md

@@ -23,6 +23,7 @@ Here's Taxy using Google Calendar with the prompt "Schedule standup tomorrow at
     - [Running in your browser](#running-in-your-browser)
   - [How it Works - The Action Cycle](#how-it-works---the-action-cycle)
   - [Simple Demos](#simple-demos)
+    - [Protecting the main branch in GitHub](#protecting-the-main-branch-in-github)
     - [Searching for and playing the movie Oblivion in Netflix](#searching-for-and-playing-the-movie-oblivion-in-netflix)
     - [Creating a calendar event](#creating-a-calendar-event)
     - [Writing an essay in the OpenAI playground](#writing-an-essay-in-the-openai-playground)
@@ -69,6 +70,10 @@ Currently this extension is only available through this GitHub repo. We'll relea
 
 ## Simple Demos
 
+### Protecting the main branch in GitHub
+
+![main-branch](https://user-images.githubusercontent.com/41524992/228385404-175bf633-de1d-43eb-862c-2cfd5a7a674a.gif)
+
 ### Searching for and playing the movie Oblivion in Netflix
 
 ![Oblivion](https://user-images.githubusercontent.com/41524992/228063949-c26a4b54-92ae-4e22-8177-7e78c0d9a29b.gif)