Checkout code

Author: mfleming

.github/workflows/main.yml

@@ -5,6 +5,8 @@ jobs:
     runs-on: ubuntu-latest
     name: A job to say hello
     steps:
+      - uses: actions/checkout@v2
+
       - name: Hello world action step
         id: hello
         uses: nyrkio/nyrkio-gh-action@main