added npmrc and publish workflow

.github/workflows/publish.yml

@@ -0,0 +1,25 @@
+name: Publish package to GitHub Packages
+on:
+  release:
+    types: [published]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+      # Setup .npmrc file to publish to GitHub Packages
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "20.x"
+          registry-url: "https://npm.pkg.github.com"
+          # Defaults to the user or organization that owns the workflow file
+          scope: "@xkeshav"
+      - name: Install dependencies
+        run: yarn
+      - name: Publish package
+        run: yarn publish --access restricted
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.npmrc

@@ -0,0 +1 @@
+@xkeshav:registry=https://npm.pkg.github.com