Fix: add pnpm in workflow

Author: ColinWttt

.github/workflows/astro.yml

@@ -35,10 +35,17 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+
       - name: Detect package manager
         id: detect-package-manager
         run: |
-          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
+          if [ -f "${{ github.workspace }}/pnpm-lock.yaml" ]; then
+            echo "manager=pnpm" >> $GITHUB_OUTPUT
+            echo "command=install" >> $GITHUB_OUTPUT
+            echo "runner=pnpm" >> $GITHUB_OUTPUT
+            echo "lockfile=pnpm-lock.yaml" >> $GITHUB_OUTPUT
+            exit 0
+          elif [ -f "${{ github.workspace }}/yarn.lock" ]; then
             echo "manager=yarn" >> $GITHUB_OUTPUT
             echo "command=install" >> $GITHUB_OUTPUT
             echo "runner=yarn" >> $GITHUB_OUTPUT
@@ -54,24 +61,29 @@ jobs:
             echo "Unable to determine package manager"
             exit 1
           fi
+
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
           node-version: "20"
           cache: ${{ steps.detect-package-manager.outputs.manager }}
           cache-dependency-path: ${{ env.BUILD_PATH }}/${{ steps.detect-package-manager.outputs.lockfile }}
+
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5
+
       - name: Install dependencies
         run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
         working-directory: ${{ env.BUILD_PATH }}
+
       - name: Build with Astro
         run: |
           ${{ steps.detect-package-manager.outputs.runner }} astro build \
             --site "${{ steps.pages.outputs.origin }}" \
             --base "${{ steps.pages.outputs.base_path }}"
         working-directory: ${{ env.BUILD_PATH }}
+
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
@@ -87,4 +99,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v4