Add module 3 exercise steps

Author: mfisher87

modules/03-sharing-your-work.md

@@ -39,3 +39,39 @@ All of the other scaffolding you need is already included in this repo in the
 `.github/workflows` directory.
 When you build your own MyST website, you can reproduce this with `myst init --site` and
 `myst init --gh-pages`.
+
+
+### Step 2: Make a change & push to GitHub
+
+1. Edit any file in `examples/module-3/my-website`.
+1. Commit and push:
+
+    ```bash
+    git add .
+    git commit --message="Edit to trigger GitHub Pages deployment"
+    git push origin main
+    ```
+
+### Step 3: View your new GitHub Pages deployment!
+
+1. In your repository, view the GitHub Actions progress.
+  1. From the repository home page, click the "Actions" tab towards the top.
+  1. You should see an action titled "Edit to trigger GitHub Pages deployment", matching
+     the commit message from the previous step.
+     Is it complete (green check)?
+     Or is it still in progress?
+     Did it fail (red X)? Let us know if it failed.
+1. View your website. Check that the change you made in the previous step is visible!
+  * Your website will be available at this URL (replace `MY-USERNAME` with your username
+😉):
+
+    ```
+    https://MY-USERNAME.github.io/workshop-csdms2025-examples
+    ```
+
+### Step 4: Edit your notebook to display some data (WIP)
+
+_TODO_
+
+
+