ci: add github action for publish npm package

.github/workflows/npm-publish.yaml

@@ -0,0 +1,26 @@
+name: 🔧 Publish to npm
+
+on: workflow_dispatch
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - name: Use Node.js
+              uses: actions/setup-node@v3
+              with:
+                  node-version: "20.10.0"
+                  cache: "yarn"
+                  registry-url: https://registry.npmjs.org
+                  scope: "@junyiacademy"
+            - name: Install dependencies
+              run: yarn --frozen-lockfile
+            - name: Build perseus-core
+              run: npm run build:publish
+              working-directory: ./packages
+            - name: Publish to npm
+              run: npm publish
+              working-directory: ./packages
+              env:
+                  NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}