(ci): Add basic publish workflow.

.github/workflows/publish.yml

@@ -0,0 +1,31 @@
+name: 'Publish Package'
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 25
+
+      - run: npm ci
+
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 25
+          registry-url: https://registry.npmjs.org/
+      
+      - run: npm ci
+      - run: npm publish --scope=public
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}