Update README.md

Author: suale-dev

README.md

@@ -2,26 +2,29 @@
 KWebView help you to call native code from Javascript in the iOS application.
 Written by Swift 2.0. It's similar WebView.addJavascriptInterface in the Android application.
 
-# Setting your project
+## Setting your project
 
 Step 1: 
 Expand the Link Binary With Libraries section and add the following item:
 JavaScriptCore.framework
 
 Step 2:
-- Define a protocol, inherit from JSExport protocol, which contains these native functions as you want to work with JavaScript
+- Define a protocol, inherit from JSExport protocol, which contains these native functions as you want to work with JavaScript.
 For example:
+
+```swift
 @objc protocol MyExport : JSExport
 {
     func check(message : String)
     func sayGreeting(message: String, _ name: String)
     func anotherSayGreeting(message: String, name: String)
     func showDialog(title: String, _ message : String)
 }
+```
 
 Step 3:
-Define a class to implement native functions above
-For example:
+Define a class to implement native functions above.
+```swift
 class JSInterface : NSObject, MyExport
 {
     func check(message: String) {
@@ -45,27 +48,31 @@ class JSInterface : NSObject, MyExport
         })
     }
 }
-
+```
 
 Step 4: 
 From Indentity Inspector of your UIWebView, at Custom class section, update Class attribute to KWebView
 
 Step 5:
 Create an outlet to the webview in your view controller
+```swift
 @IBOutlet weak var webView : KWebView!
+```
 
 Step 6: 
 Add java script interface as below:
+```swift
 self.webView.addJavascriptInterface(JSInterface(), forKey: "Native");
-
-# Inuse
-
+```
+##Usage
 Now to call those native functions above from JavaScipt is loaded your webview, just call:
 
+```swift
 Native.check()
+
 Native.sayGreeting('Hello', 'JavaScript Interface')
-..
 
+```