Add hello-world workflow for GitHub Actions

Author: notatechproblem

.github/workflows/hello-world.yml

@@ -0,0 +1,9 @@
+name: hell-world
+on: push
+jobs:
+  hello-world-job:
+    runs-on: ubuntu-latest
+    steps:
+      - name: check out repo
+        uses: actions/checkout@v4
+      - run: echo "${cat hell_world.txt}"