Reference to sample app with express & websockets

Author: Mudassir

README.md

@@ -23,7 +23,7 @@ opencv4nodejs
 * **[Async API](#async-api)**
 * **[With TypeScript](#with-typescript)**
 * **[External Memory Tracking (v4.0.0)](#external-mem-tracking)**
-
+* **[In a webpage through express & websockets](#in-a-web-page)**
 <a name="examples"></a>
 
 # Examples
@@ -559,3 +559,9 @@ Or directly in your code:
 process.env.OPENCV4NODEJS_DISABLE_EXTERNAL_MEM_TRACKING = 1
 const cv = require('opencv4nodejs')
 ```
+<a name="in-a-web-page"></a>
+
+# In a web page through express & websockets
+
+[opencv4nodejs-express-websockets](https://github.com/Mudassir-23/opencv4nodejs-express-websockets) - Boilerplate express app for getting started on opencv with nodejs and to live stream the video through websockets.
+