Add workflow for releasing npm package (#962)

Author: kotAPI

.github/workflows/release.yml

@@ -0,0 +1,61 @@
+name: Release to npm
+
+on:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - main
+
+jobs:
+  release:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Check for Tag
+        id: check_tag
+        run: |
+          # Get the SHA of the merge commit
+          MERGE_SHA=${{ github.event.pull_request.merge_commit_sha }}
+          echo "Checking for tags on merge commit $MERGE_SHA"
+          
+          # List tags that point to this commit and filter for version tags
+          VERSION_TAG=$(git tag --points-at $MERGE_SHA | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+.*' || echo "")
+          
+          if [[ -n "$VERSION_TAG" ]]; then
+            echo "Found version tag: $VERSION_TAG"
+            echo "has_tag=true" >> $GITHUB_OUTPUT
+            echo "version=${VERSION_TAG#v}" >> $GITHUB_OUTPUT
+          else
+            echo "No version tag found on merge commit"
+            echo "has_tag=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Set up Node.js
+        if: steps.check_tag.outputs.has_tag == 'true'
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org/'
+
+      - name: Install Dependencies
+        if: steps.check_tag.outputs.has_tag == 'true'
+        run: npm ci
+
+      - name: Build Package
+        if: steps.check_tag.outputs.has_tag == 'true'
+        run: npm run build
+
+      - name: Publish to npm
+        if: steps.check_tag.outputs.has_tag == 'true'
+        run: |
+          npm version ${{ steps.check_tag.outputs.version }} --no-git-tag-version
+          npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_AUTOMATION_TOKEN_FROM_KOTAPI }}