Включена валидация книги после сборки

Author: Morganov

.github/workflows/pr_build.yml

@@ -24,7 +24,7 @@ jobs:
           bundler-cache: true
 
       - name: Build Book
-        run: bundle exec rake book:build
+        run: bundle exec rake book:check
 
       - name: 'Save Artifacts'
         uses: actions/upload-artifact@v3