Updated Readme file

Author: vishwas-r

README.md

@@ -1,2 +1,34 @@
-# Export-CanvasJS-Chart-Data-as-JSON
-Allows you to export CanvasJS Chart Data as JSON
+# Export CanvasJS Chart Data as JSON
+
+This plugin allows you to export and save CanvasJS Chart's data as JSON.
+
+## CanvasJS
+CanvasJS is an HTML5 & JavaScript based Charting Library that runs on all modern devices including iPhone, Android, Desktops, etc. Charts are beautiful and API is very simple to use.
+
+### CanvasJS Features:
+- Simple API and easy to use
+- Supports 30+ different types of Charts / Graphs
+- 10x faster than conventional Flash / SVG based Charting Libraries
+- Comes with Several beautiful looking themes
+- Well Maintained and Updated Documentation
+- Works across browsers (Chrome, Firefox, Safari, IE8+)
+- Can be integrated with Serverside and Frontend technologies like ASP.Net, PHP, Spring MVC, JSP, jQuery, Angular, React, etc.
+
+
+### How to Use?
+- Create and Render CanvasJS Chart
+- Call CanvasJSDataAsJSON method with chart and filename as parameter
+```
+var chart = new CanvasJS.Chart("chartContainer", {
+    .
+    .
+    .
+    //Chart Options
+    .
+    .
+    .
+});
+chart.render();
+
+CanvasJSDataAsJSON(chart, "filename");
+```