add npm publish workflow (v* tags, NPM_TOKEN)

.gitea/workflows/publish.yml

@@ -0,0 +1,32 @@
+name: publish
+
+# Publish this omp port package to the npm registry on version tags.
+#
+# Prerequisites:
+#   - npm automation token (publish scope) stored as the repo secret NPM_TOKEN
+#   - package name claimed on npm (@mikefreno/omp-<name>)
+#
+# Manual publish: Actions tab → Run workflow (workflow_dispatch).
+
+on:
+  push:
+    tags: ['v*']
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup node (npm registry auth)
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: npm publish --access public --ignore-scripts