[site/content/guide][m]: tutorial 3 overview

site/content/guide/index.md

@@ -86,6 +86,55 @@ Below is a screenshot of how the final website will look like:
 > [!tip]
 > Read full tutorial [[edit-a-website-locally|here!]]
 
+### Tutorial 3: Collaborating with others on your website project
+
+In this tutorial, we will guide you through collaborating with others on the same website project using GitHub. 
+
+By the end of this tutorial, you will:
+
+- Understand what a branch is and how to create one.
+- Understand what a pull request (PR) is and how to create one.
+- Learn how to review and merge a PR.
+- Know how to resolve conflicts if they arise.
+- Collaborate with others using GitHub, following best practices.
+
+#### Create a new branch
+
+- Navigate to your site's repository on GitHub
+- Click on the 'Branch' dropdown menu, type a new branch name and press Enter
+- Yay! You've created a new branch! 🎉
+
+#### Now, let's make changes in the new branch
+
+- Switch to the new branch in GitHub Desktop
+- Open the `/content` folder of the repository in Obsidian
+- Edit the `about` page
+- Commit the changes in GitHub Desktop app and push them to the remote repository on GitHub
+
+#### Create a pull request (PR)
+
+- Go back to your site's repository on GitHub
+- Click on 'New pull request'
+- Select your branch from the dropdown menu
+- Write a brief description of your changes, then click on 'Create pull request'
+- Yay! Your changes are ready to be reviewed! 🎉
+
+#### Review and merge a pull request
+
+- Navigate to the 'Pull requests' tab in your repository
+- Open the newly created pull request
+- Review the changes, add comments if necessary
+- If everything is in order, click 'Merge pull request', then 'Confirm merge'
+- Yay! You've merged your changes into the main branch! 🎉
+
+#### Resolving conflicts
+
+- In case of conflicts between your changes and those on the main branch, GitHub will alert you
+- Follow the on-screen instructions to resolve the conflicts and merge your changes
+
+> [!tip]
+> Read full tutorial [[collaborate-on-website-project|here!]] (TBD)
+
 ## Howtos
 
 - [[quickly-create-a-sandbox-website|How to quickly create a sandbox website]]