chore: add nodejs workflow badge

Author: sonnht-chotot

readme.md

@@ -6,6 +6,7 @@
   `npm install --save jaeger-client-nodejs`
 
 [![Node.js Package](https://github.com/ChoTotOSS/jaeger-client-nodejs/actions/workflows/npm-publish.yml/badge.svg)](https://github.com/ChoTotOSS/jaeger-client-nodejs/actions/workflows/npm-publish.yml)
+[![Node.js CI](https://github.com/ChoTotOSS/jaeger-client-nodejs/actions/workflows/node.js.yml/badge.svg)](https://github.com/ChoTotOSS/jaeger-client-nodejs/actions/workflows/node.js.yml)
 
 ## How to use