update readme

README.md

@@ -1,8 +1,10 @@
 # ECHO CHAT
 
-This is a minimal messaging app built with react on top of a node express server and socket.io.
+Echo chat is a simple messaging app that lists users loggedin to a site and start a conversation with any of the listed members.
 
-To run this app , in the root
+This is a minimal messaging app built with react on top of a node-express server and socket.io.The app implements a local authentication system as well as google authentication. The user data and sessions are stored in a mongodb database hosted on mongo atlas.
+
+To run this app , in the root setup .env file with google client id client secret and mongodb uri, then run
 
 ```
 npm run install
@@ -14,3 +16,14 @@ Or you can build the react app and serve it with express server running on the s
 ```
 npm run deploy
 ```
+
+### Frameworks and libraries
+
+This app uses mulitple libraries here are libraries used for the server.
+
+- Express
+- passport
+- bcrypt
+- mongoose
+- socket.io
+- jest