Add publish workflow (#281)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: Copilot

.github/workflows/publish.yml

@@ -0,0 +1,27 @@
+name: Publish Package
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  id-token: write
+  contents: read
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: actions/setup-node@v6
+        with:
+          node-version: '24'
+          registry-url: 'https://registry.npmjs.org'
+          package-manager-cache: false
+
+      - run: npm install
+      - run: npm run build --if-present
+      - run: npm test
+      - run: npm publish