chore: add ci

.github/workflows/superdiff.yml

@@ -0,0 +1,35 @@
+name: Superdiff CI
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [16.x, 18.x]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "yarn"
+      - name: Install dependencies
+        uses: borales/actions-yarn@v4
+        with:
+          cmd: install
+      - name: Build app
+        uses: borales/actions-yarn@v4
+        with:
+          cmd: build
+      - name: Test app
+        uses: borales/actions-yarn@v4
+        with:
+          cmd: test