chore: add windows ci via github actions

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: yarn install
+        env:
+          CI: true
+      - run: yarn test
+        env:
+          CI: true