add 'Scroll to the end of the conversation' bar

Change-Id: I63e41433db4999d021bc13375cf5b7ba07843c3d
diff --git a/client/package.json b/client/package.json
index 875bf02..523d9f1 100644
--- a/client/package.json
+++ b/client/package.json
@@ -57,6 +57,7 @@
     "react-modal": "^3.15.1",
     "react-redux": "^8.0.2",
     "react-router-dom": "^6.3.0",
+    "react-waypoint": "^10.3.0",
     "socket.io-client": "^4.5.2"
   },
   "devDependencies": {