add action to deploy docs

.github/workflows/deploy-docs.yml

@@ -0,0 +1,65 @@
+name: Deploy docs
+
+on:
+  push:
+    branches: [doc-site]
+    paths:
+      - "docs/**"
+      - "rumcake-macros/**"
+      - "rumcake/**"
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+env:
+  ASTRO_BUILD_PATH: "./docs"
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: "18"
+          cache: yarn
+          cache-dependency-path: ${{ env.ASTRO_BUILD_PATH }}/yarn.lock
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+        working-directory: ${{ env.ASTRO_BUILD_PATH }}
+
+      - name: Build with Astro
+        run: yarn astro build
+        working-directory: ${{ env.ASTRO_BUILD_PATH }}
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: ${{ env.ASTRO_BUILD_PATH }}/dist
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    needs: build
+    runs-on: ubuntu-latest
+    name: Deploy
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2

docs/astro.config.mjs

@@ -3,6 +3,7 @@ import starlight from "@astrojs/starlight";
 
 // https://astro.build/config
 export default defineConfig({
+  site: "https://univa.github.io",
   base: "/rumcake",
   trailingSlash: "always",
   build: {