Add simple test workflow

Author: bryanbcook

.github/workflows/test-simple.yml

@@ -0,0 +1,11 @@
+name: Simple Test Workflow
+
+on:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Simple echo
+      run: echo "Hello from GitHub Actions"