Add some GitHub actions

Author: che-wf

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "18"
+      - name: Install dependencies
+        run: npm install
+      - name: Run ESLint
+        run: npm run lint || true
+      - name: Run tests
+        run: npm test
+      - name: Build
+        run: npm run build

.github/workflows/release.yml

@@ -0,0 +1,26 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "18"
+          registry-url: "https://registry.npmjs.org/"
+      - name: Install dependencies
+        run: npm install
+      - name: Build
+        run: npm run build
+      - name: Publish to npm
+        run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}