modified readme file

Author: pabhi18

README.md

@@ -1,6 +1,4 @@
 # Node.js Chat App
 
-<video width="480" height="320" controls>
-  <source src="https://nodejs-app-eks.s3.us-east-1.amazonaws.com/video.mov" type="video/mp4">
-  Your browser does not support the video tag
-</video>
+<video src="https://nodejs-app-eks.s3.us-east-1.amazonaws.com/video.mov" controls title="Title"></video>
+