Add Friend Request Accepted Notification to map

add readme and chat-websocket-setup.md

Finish websocket implementation and create redeployment script

Make origin wildcard for ws

Setup and test Web Socket on remote server

Minor refactor to codebase

get rid of socket.io

Refactor codebase

Refactor config file

ready for vercel

Strip app of websocket

Complete fcm push notification implementation

Add pm2 scripts in package.json and minor refactor

Create notification ws server