Merge pull request 'Update 'app.js'' (#33) from sergiu-patch-1 into develop

Reviewed-on: #33
Reviewed-by: bmamihai <mihai.bozieru@safemobile.com>

app.js

@@ -37,7 +37,7 @@ let videoCalls = {};
 let socketDetails = {};
 
 app.get('/', (_req, res) => {
-  res.send('Hello from mediasoup app!');
+  res.send('OK');
 });
 
 app.use('/sfu', express.static(path.join(__dirname, 'public')));