feat: gh action

Author: jedwin3210

.github/workflows/notify-textbook.yml

@@ -0,0 +1,24 @@
+name: Notify textbook repo of update
+on:
+  push:
+    branches: [main]
+
+jobs:
+  dispatch:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger sync in ecc-textbook.notebooks
+        env:
+          TOKEN:   ${{ secrets.ECC_TEXTBOOK_PAT }}
+          REPO:    ${{ github.repository }}
+        run: |
+          # Extract folder name (ecc-ai → ecc-ai)
+          FOLDER_NAME="${REPO##*/}"
+
+          curl -s -X POST \
+            -H "Authorization: token $TOKEN" \
+            -H "Accept: application/vnd.github+json" \
+            https://api.github.com/repos/ds-modules/ecc-textbook.notebooks/dispatches \
+            -d "{\"event_type\": \"sync-module\", \
+                 \"client_payload\": {\"source_repo\": \"${REPO}\", \
+                                      \"folder_name\": \"${FOLDER_NAME}\"}}"