add release action

Author: dsuket

.github/workflows/release-pack.yml

@@ -0,0 +1,50 @@
+name: Release npm tarballs
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+      - "v*.*"
+      - "v*"
+
+jobs:
+  pack-and-release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Build & pack docusaurus-plugin-openapi-docs
+        working-directory: packages/docusaurus-plugin-openapi-docs
+        run: |
+          yarn build || npm run build
+          npm pack
+
+      - name: Build & pack docusaurus-theme-openapi-docs
+        working-directory: packages/docusaurus-theme-openapi-docs
+        run: |
+          yarn build || npm run build
+          npm pack
+
+      - name: Create GitHub Release & upload tarballs
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            packages/docusaurus-plugin-openapi-docs/*.tgz
+            packages/docusaurus-theme-openapi-docs/*.tgz
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}