Update README.md

Author: dkrockcom

README.md

@@ -1,2 +1,38 @@
-# node-http-context
-Get HttpContext from anywhere
+# Node Http Context
+Get http context anywhere in node/express application.
+
+## How to use it
+
+Install: `npm install --save node-http-context`
+
+``` js
+const express = require('express');
+const httpContext = require('node-http-context');
+
+const app = express();
+// Initialize Httpcontext middleware service
+HttpContext.Initilize(app);
+// After initialize the httpcontext we can get httpcontext anywhere
+```
+
+Get HttpContext form anywhare:
+
+``` js
+const httpContext = require('node-http-context');
+
+//Node express request object from HttpContext
+httpContext.Request;
+
+//Node express response object from HttpContext
+httpContext.Response.send(HTML/STRING);
+httpContext.Response.json({JSON_Object});
+
+//Node express Next object from HttpContext
+httpContext.Next();
+
+//Node express session object from HttpContext
+httpContext.Session;
+```
+
+## Contributors
+* Devesh Kumar (@dkrockcom)