chore: open ci

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.3.4
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v2.1.5
+        with:
+          node-version: '12'
+
+      - name: Cache node modules
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: ./node_modules
+          key: ${{ runner.os }}-build-cache-node-modules-${{ hashFiles('**/package.json') }}
+          restore-keys: |
+            cache-node-modules-
+
+      - name: Run ci
+        run: |
+          npm install
+          npm run ci
+
+      - name: coverall
+        if: success()
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}