Add publish script for pba-content

.github/workflows/gh-publish.yml

@@ -0,0 +1,23 @@
+name: GitHub Pages Publish
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  gh-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          registry-url: https://registry.npmjs.org
+      - run: yarn install
+      - name: Build
+        working-directory: "."
+        run: yarn build:pages
+      - name: Deploy
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          folder: build