ci(github): add github action build

.github/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Build
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: macos-latest
+    name: Build
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup node
+      uses: actions/setup-node@v2
+      with:
+        node-version: '12'
+
+    - run: yarn install --frozen-lockfile
+      name: Build
+
+    - name: Archive pre-built bindings
+      uses: actions/upload-artifact@v2
+      with:
+        name: binding
+        path: binding/**