Add workflow for creating GHP

.github/workflows/export-and-deploy-site.yml

@@ -0,0 +1,88 @@
+# export-and-deploy-site.yml
+
+name: Deploy Kobweb site to Pages
+
+on:
+  push:
+    branches:
+      - main
+
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  export:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+
+    env:
+      KOBWEB_CLI_VERSION: 0.9.18
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Query Browser Cache ID
+        id: browser-cache-id
+        run: echo "value=$(./gradlew -q :site:kobwebBrowserCacheId)" >> $GITHUB_OUTPUT
+
+      - name: Cache Browser Dependencies
+        uses: actions/cache@v4
+        id: playwright-cache
+        with:
+          path: ~/.cache/ms-playwright
+          key: ${{ runner.os }}-playwright-${{ steps.browser-cache-id.outputs.value }}
+
+      - name: Fetch kobweb
+        uses: robinraju/[email protected]
+        with:
+          repository: "varabyte/kobweb-cli"
+          tag: "v${{ env.KOBWEB_CLI_VERSION }}"
+          fileName: "kobweb-${{ env.KOBWEB_CLI_VERSION }}.zip"
+          tarBall: false
+          zipBall: false
+
+      - name: Unzip kobweb
+        run: unzip kobweb-${{ env.KOBWEB_CLI_VERSION }}.zip
+
+      - name: Run export
+        run: |
+          cd site
+          ../kobweb-${{ env.KOBWEB_CLI_VERSION }}/bin/kobweb export --notty --layout static
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./site/.kobweb/site
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: export
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4