Update CI workflow triggers and add manual dispatch

Author: goebelmeier

.github/workflows/main.yml

@@ -1,9 +1,14 @@
 name: CI
 
-on: [push, pull_request]
-
-# Allows you to run this workflow manually from the Actions tab
-workflow_dispatch:
+on: 
+  # Run on all pushes to all branches
+  push:
+  
+  # Run on all PRs
+  pull_request:
+  
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
 
 jobs:
   # This workflow contains a single job called "build"