Fix GitHub Actions workflow and Markdown formatting

.github/workflows/wordpress-tests.yml

@@ -23,8 +23,11 @@ jobs:
     - name: Install dependencies
       run: npm ci
 
-    - name: Install wp-env
+    - name: Install wp-env and docker-compose
-      run: npm install -g @wordpress/env
+      run: |
+        npm install -g @wordpress/env
+        sudo apt-get update
+        sudo apt-get install -y docker-compose
 
     - name: Setup WordPress Single Site
       run: |
@@ -53,8 +56,11 @@ jobs:
     - name: Install dependencies
       run: npm ci
 
-    - name: Install wp-env
+    - name: Install wp-env and docker-compose
-      run: npm install -g @wordpress/env
+      run: |
+        npm install -g @wordpress/env
+        sudo apt-get update
+        sudo apt-get install -y docker-compose
 
     - name: Setup WordPress Multisite
       run: |

.wiki/Testing-Framework.md

@@ -34,6 +34,7 @@ We use `@wordpress/env` and Cypress for testing our plugin.
 ## Testing in Single Site WordPress
 
 1. Set up the single site environment:
+
    ```bash
    npm run setup:single
    ```