create cron-scheduleEmailReminders (#3374)

.github/workflows/cron-scheduleEmailReminders.yml

@@ -0,0 +1,23 @@
+name: Cron - scheduleEmailReminders
+
+on:
+  # "Scheduled workflows run on the latest commit on the default or base branch."
+  # — https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows#schedule
+  schedule:
+    # Runs “At minute 0, 15, 30, and 45.” (see https://crontab.guru)
+    - cron: "0,15,30,45 * * * *"
+jobs:
+  cron-scheduleEmailReminders:
+    env:
+      APP_URL: ${{ secrets.APP_URL }}
+      CRON_API_KEY: ${{ secrets.CRON_API_KEY }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: cURL request
+        if: ${{ env.APP_URL && env.CRON_API_KEY }}
+        run: |
+          curl ${{ secrets.APP_URL }}/api/cron/scheduleEmailReminders \
+            -X POST \
+            -H 'content-type: application/json' \
+            -H 'authorization: ${{ secrets.CRON_API_KEY }}' \
+            --fail