Add Vitepress docs site

Author: michael-bouvy

.github/workflows/docs.yaml

@@ -32,7 +32,7 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v4
       - name: Install dependencies
-        run: npm ci
+        run: npm install
       - name: Build with VitePress
         run: npm run docs:build
       - name: Upload artifact