Run lint and build step (#583)

Summary:
This should just work, but let's see what CI says.
Pull Request resolved: https://github.com/facebook/flipper/pull/583

Reviewed By: jknoxville

Differential Revision: D17906598

Pulled By: passy

fbshipit-source-id: 5de686c8c9b23b101999da938d6e8f9baff7bc86

.github/workflows/nodejs.yml

@@ -17,7 +17,11 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
-    - name: yarn install, build, and test
-      run: |
-        yarn
-        yarn test
+    - name: yarn install
+      run: yarn
+    - name: lint
+      run: yarn lint
+    - name: test
+      run: yarn test
+    - name: build
+      run: yarn build --linux