added publish script

Author: msilivonik-sc

.github/workflows/npm.yml

@@ -0,0 +1,46 @@
+name: Publish to npm
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-alpha.[0-9]+"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          cache: npm
+          registry-url: "https://registry.npmjs.org/"
+
+      - name: Determine pre-release tag
+        run: |
+          TAG_NAME=${GITHUB_REF#refs/tags/}
+          echo "Detected tag: $TAG_NAME"
+          if [[ "$TAG_NAME" == *-alpha.* ]]; then
+            echo "tag=alpha" >> $GITHUB_ENV
+          else
+            echo "tag=latest" >> $GITHUB_ENV
+          fi
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test
+
+      - name: Build
+        run: npm run build
+
+      - name: Publish
+        run: npm publish --access public --tag ${{ env.tag }}
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}