add workflows

.github/workflows/codespell.yml

@@ -0,0 +1,19 @@
+---
+name: Codespell
+
+on:
+  push:
+    branches: [master,next]
+  pull_request:
+    branches: [master,next]
+
+jobs:
+  codespell:
+    name: Check for typos
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Run codespell
+        uses: codespell-project/actions-codespell@v2

.github/workflows/trigger.yml

@@ -0,0 +1,12 @@
+name: Trigger doc rebuild
+
+on:
+  push:
+
+jobs:
+  buildandpush:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send request to webhook to trigger update of doc
+      run: |
+        curl -v -H 'X-Hook-Secret: ${{ secrets.HOOK_SECRET }}' ${{ secrets.HOOK_URL }}