fix(ci): skip github actions workflow on release commits

+ re-format the yml file

.github/workflows/nodejs.yml

@@ -3,30 +3,29 @@ name: Node CI
 on:
   push:
     branches:
-    - master
+      - master
   pull_request:
     branches:
-    - master
+      - master
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
 
     strategy:
       matrix:
         node-version: [8.x, 10.x]
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: npm install, build, and test
-      run: |
-        npm install
-        npm run build --if-present
-        npm test
-      env:
-        CI: true
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install and test
+        run: |
+          npm install
+          npm test
+        env:
+          CI: true