ci: add server-render build. (#1916)

* ci: add server-render build.

Author: Koooooo-7

.github/workflows/test.yml

@@ -26,6 +26,13 @@ jobs:
       - name: Lint
         run: npm run lint
 
+      - name: Install dependencies [server-renderer]
+        working-directory: ./packages/docsify-server-renderer
+        run: npm ci --ignore-scripts
+      - name: Build [server-renderer]
+        working-directory: ./packages/docsify-server-renderer
+        run: npm ci --ignore-scripts
+
   test-jest:
     runs-on: ${{ matrix.os }}
     strategy: