Add workflow

.github/workflows/demo.yml

@@ -0,0 +1,32 @@
+name: Demo
+
+on:
+  push:
+  schedule:
+    - cron: '30 5 1 * *'
+  workflow_dispatch:
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Github context
+        run: echo '${{ toJson(github) }}'
+
+      - name: Env context
+        run: echo '${{ toJson(env) }}'
+
+      - name: Vars context
+        run: echo '${{ toJson(vars) }}'
+
+      - name: Job context
+        run: echo '${{ toJson(job) }}'
+
+      - name: Steps context
+        run: echo '${{ toJson(steps) }}'
+
+      - name: Runner context
+        run: echo '${{ toJson(runner) }}'