Update sample-app.md

Author: rmcdaniel

Diff for: docs/sample-app.md

@@ -6,48 +6,48 @@ sidebar_position: 7
 
 [This](https://github.com/laravel-workflow/sample-app) is a sample Laravel 11 application with example workflows that you can run inside a GitHub codespace.
 
-## Step 1
+### Step 1
 Create a codespace from the main branch of [this](https://github.com/laravel-workflow/sample-app) repo.
 
 <img src="https://user-images.githubusercontent.com/1130888/233664377-f300ad50-5436-4bb8-b172-c52e12047264.png" alt="image" width="300" />
 
-## Step 2
+### Step 2
 Wait for the codespace to build. This should take between 5 to 10 minutes.
 
 <img src="https://user-images.githubusercontent.com/1130888/233664397-4ae156f3-f69b-406f-b6d4-4f9316684000.png" alt="image" width="500" />
 
-## Step 3
+### Step 3
 Once the codespace has been created. You will see the editor and the terminal at the bottom.
 
 <img src="https://user-images.githubusercontent.com/1130888/233665550-1a4f2098-2919-4108-ac9f-bef1a9f2f47c.png" alt="image" width="400" />
 
-## Step 4
+### Step 4
 Run the migrations to create the necessary database tables.
 
 ```bash
 php artisan migrate
 ```
 
-## Step 5
+### Step 5
 Start the queue worker. This will enable the processing of workflows and activities.
 
 ```bash
 php artisan queue:work
 ```
 
-## Step 6
+### Step 6
 Create a new terminal window.
 
 <img src="https://user-images.githubusercontent.com/1130888/233666917-029247c7-9e6c-46de-b304-27473fd34517.png" alt="image" width="200" />
 
-## Step 7
+### Step 7
 Start the example workflow inside the new terminal window.
 
 ```bash
 php artisan app:workflow
 ```
 
-## Step 8
+### Step 8
 You can view the waterline dashboard via the mapped port.
 
 <img src="https://user-images.githubusercontent.com/1130888/233668485-b988e336-0462-4bbc-bb77-78c73df363b4.png" alt="image" width="500" />
@@ -56,7 +56,7 @@ Add `/waterline/dashboard` to the URL e.g. `https://[your-codespace-name]-80.pre
 
 <img src="https://user-images.githubusercontent.com/1130888/233669600-3340ada6-5f73-4602-8d82-a81a9d43f883.png" alt="image" width="600" />
 
-## Step 9
+### Step 9
 Run the workflow and activity tests.
 
 ```bash