adding workflow file

.github/workflows/main.yml

@@ -0,0 +1,18 @@
+on: [push]
+
+jobs:
+  hello_world_job:
+    runs-on: ubuntu-latest
+    name: A job to say hello
+    steps:
+      # To use this repository's private action, you must check out the repository
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Hello world action step
+        uses: ./ # Uses an action in the root directory
+        id: hello
+        with:
+          who-to-greet: 'Mona the Octocat'
+      # Use the output from the `hello` step
+      - name: Get the output time
+        run: echo "The time was ${{ steps.hello.outputs.time }}"