Add url health job from streamlit app (#902)

* add url health job

* lint

.github/workflows/streamlit_url_health.yml

@@ -0,0 +1,25 @@
+name: URL Health
+
+on:
+  schedule:
+    # * is a special character in YAML so you have to quote this string
+    - cron:  '0 */6 * * *'
+
+jobs:
+
+    build:
+
+        runs-on: ubuntu-latest
+
+        steps:
+        - name: Check the deployed service URL
+          uses: jtalk/url-health-check-action@v4
+          with:
+            # Check the following URLs one by one sequentially
+            url: https://pymc-marketing-app.streamlit.app/
+            # Follow redirects, or just report success on 3xx status codes
+            follow-redirect: false # Optional, defaults to false
+            # Fail this action after this many failed attempts
+            max-attempts: 3 # Optional, defaults to 1
+            # Delay between retries
+            retry-delay: 5s # Optional, only applicable to max-attempts > 1