feat: add GitHub Actions workflow for publishing to npm

Author: tacxou

.github/workflows/publish.yml

@@ -0,0 +1,40 @@
+name: Publish
+permissions:
+  contents: read
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run tests
+        run: bun test
+
+      - name: Build project
+        run: bun run build
+
+      - name: Setup Node.js for NPM
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Publish to npm
+        run: cd dist && npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}