run github actions on pull requests too

Author: steveRoll-git

.github/workflows/deploy.yml

@@ -2,9 +2,11 @@
 name: Deploy static content to Pages
 
 on:
-  # Runs on pushes targeting the default branch
+  # Runs on pushes and pull requests targeting the default branch
   push:
     branches: ['main']
+  pull_request:
+    branches: ['main']
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: