Fix playground deployment: add missing examples.js (#26)

* Fix playground deployment: add missing examples.js file

Author: Copilot

.github/workflows/deploy-playground.yml

@@ -40,6 +40,7 @@ jobs:
           mkdir -p _site/dist
           cp samples/language-service-sample/index.html _site/
           cp samples/language-service-sample/app.js _site/
+          cp samples/language-service-sample/examples.js _site/
           cp samples/language-service-sample/styles.css _site/
           cp dist/bundle.js _site/dist/