ci: generate PDF version of tldr pages

.github/workflows/ci.yml

@@ -28,6 +28,19 @@ jobs:
     - name: Build
       run: bash scripts/build.sh
 
+    - name: Setup Python for PDF generation
+      if: github.repository == 'tldr-pages/tldr' && github.ref == 'refs/heads/master'
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - name: Build PDF
+      if: github.repository == 'tldr-pages/tldr' && github.ref == 'refs/heads/master'
+      run: |
+        cd scripts/pdf/
+        pip3 install -r requirements.txt
+        python3 render.py ../../pages -c solarized-light
+
     - name: Deploy
       if: github.repository == 'tldr-pages/tldr' && github.ref == 'refs/heads/master'
       run: bash scripts/deploy.sh