run Gravity on online PDF

Author: marcoow

.github/workflows/ci.yml

@@ -146,6 +146,19 @@ jobs:
       - run: |
           git diff --exit-code site/_redirects
 
+  gravity:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: book
+          pattern: book/book/pandoc/paperback/100-exercises-to-learn-rust.pdf
+      - uses: pnpm/action-setup@v4
+      - run: |
+          - run: pnpm dlx gravityci ./book/
+          env:
+            GRAVITY_TOKEN: ${{ secrets.GRAVITY_TOKEN }}
+
   formatter:
     runs-on: ubuntu-latest
     steps: