ci: use github actions

Author: yyx990803

.circleci/config.yml

@@ -0,0 +1,28 @@
+name: 'ci'
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set node version to 16
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+
+      - name: Install deps
+        uses: bahmutov/npm-install@v1
+
+      - name: Run tests
+        run: npm test