add workflow for teahouse

Author: kjaymiller

.github/workflows/teahouse.yml

@@ -0,0 +1,50 @@
+name: Publish
+
+on:
+  push:
+  workflow_dispatch:
+  repository_dispatch:
+
+permissions:
+  id-token: write # This is required for requesting the JWT
+  contents: read # This is required for actions/checkout
+
+concurrency:
+  group: "teahouse"
+  cancel-in-progress: false
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - uses: ammaraskar/[email protected]
+        with:
+          pre-build-command: bundle
+          build-command:
+          docs-folder: "."
+      - uses: actions/upload-artifact@v4
+        with:
+          name: website
+          path: ./build
+
+  # Deployment job
+  deploy:
+    if: github.repository == 'teahouse-hosting/docs.teahouse.cafe' && github.ref == 'refs/heads/trunk'
+    environment:
+      name: teahouse
+      url: https://docs.teahouse.cafe
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: website
+          path: ./build
+      - name: Upload
+        uses: teahouse-hosting/upload@trunk
+        with:
+          domain: docs.teahouse.cafe
+          root: ./build/html