updated readme

README.md

@@ -1,2 +1,37 @@
 # socket-io-tictactoe
 A simple console based TicTacToe game.
+
+## Install required node modules:
+- npm install
+
+## How to run the code?
+### First, start the server:
+
+- npm start
+
+### Start clients one by one like below:
+
+- npm run client1-test
+- npm run client1-test
+
+Remember: Open each of the clients in a seperate command / bash terminal
+
+## User Inputs / Outputs:
+- All the inputs and outputs will be in only client command / bash terminal.
+- Server termnal outputs verbose related to player / client and game move activity.
+- Client terminal takes one move input at a time, ranging from 1 to 9.
+- Client terminal outputs tic-tac-toe game board after each player move.
+
+### Example Input / Output:
+#### Input:
+\> 5
+#### Output:
+... <br />
+.x. <br />
+... <br />
+
+## Game Design:
+### Game Server:
+- A socket.io based server responsible for listening to player events, managing players and game rooms, handling game logic.
+### Clients:
+- A socket.io-client based client responsible for sending player moves, events to server and listening game results from server.