add a publish gf action

.github/workflows/publish.yml

@@ -0,0 +1,34 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+      - name: Get tag version
+        if: startsWith(github.ref, 'refs/tags/')
+        id: get_tag_version
+        run: echo TAG_VERSION=${GITHUB_REF/refs\/tags\//} >> $GITHUB_OUTPUT
+      - name: install pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 8.x
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "18.x"
+          registry-url: "https://registry.npmjs.org"
+      - name: npm build
+        run: deno run -A ./scripts/npm.ts ${{steps.get_tag_version.outputs.TAG_VERSION}}
+      - name: npm publish
+        if: startsWith(github.ref, 'refs/tags/')
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: cd npm && npm publish