Updated readme file, pod spec and added screenshots.

Author: Athul Sai

Example/KWVerificationCodeView.gif

@@ -1,12 +1,12 @@
 Pod::Spec.new do |s|
   s.name             = 'KWVerificationCodeView'
   s.version          = '0.1.0'
-  s.summary          = 'A subclass on UIView that displays a verification code field.'
-  s.description      = 'This CocoaPod provides the ability to use a UIView that can display a verification field.'
-  s.homepage         = 'https://bitbucket.org/keepworks/kwverificationcodeview'
+  s.summary          = 'A verification code view with validation.'
+  s.description      = 'A customisable verification code view with built in validation. Can be used for one time passwords (OTPs), email verification codes etc.'
+  s.homepage         = 'https://github.com/keepworks/kwverificationcodeview'
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
   s.author           = { 'KeepWorks' => 'ios@keepworks.com' }
-  s.source           = { :git => 'https://bitbucket.org/keepworks/kwverificationcodeview.git', :tag => s.version.to_s }
+  s.source           = { :git => 'https://github.com/keepworks/kwverificationcodeview.git', :tag => s.version.to_s }
 
   s.ios.deployment_target = '8.0'
   s.source_files = 'KWVerificationCodeView/Classes/**/*'

Example/interfacebuilder.png

@@ -1,15 +1,22 @@
-# KWVerificationCodeView
+KWVerificationCodeView
+==================
 
 [![CI Status](http://img.shields.io/travis/Athul Sai/KWVerificationCodeView.svg?style=flat)](https://travis-ci.org/Athul Sai/KWVerificationCodeView)
 [![Version](https://img.shields.io/cocoapods/v/KWVerificationCodeView.svg?style=flat)](http://cocoapods.org/pods/KWVerificationCodeView)
 [![License](https://img.shields.io/cocoapods/l/KWVerificationCodeView.svg?style=flat)](http://cocoapods.org/pods/KWVerificationCodeView)
 [![Platform](https://img.shields.io/cocoapods/p/KWVerificationCodeView.svg?style=flat)](http://cocoapods.org/pods/KWVerificationCodeView)
 
+A customisable verification code view with built in validation. Can be used for one time passwords (OTPs), email verification codes etc.
+
+![Screenshot](Example/KWVerificationCodeView.gif)
+
 ## Example
 
 To run the example project, clone the repo, and run `pod install` from the Example directory first.
 
 ## Requirements
+- iOS 8 or later
+- Swift 3.0
 
 ## Installation
 
@@ -19,11 +26,38 @@ it, simply add the following line to your Podfile:
 ```ruby
 pod "KWVerificationCodeView"
 ```
+## Usage
+
+Add a `UIView` in your *Storyboard* and change the class to `KWVerificationCodeView`. You can set the properties in the *Attributes Inspector* and see a live preview:
+
+![Interface Builder Screenshot](Example/interfacebuilder.png)
+
+It is possile to set the default and selected colors of the underline in the *Storyboard*.
+
+### Methods
+
+`hasValidCode() -> Bool` - Returns true when the entered code is valid.
+
+`getVerificationCode() -> String` - Returns the validation code. 
+
+### Delegate
+
+`KWVerificationCodeViewDelegate` has a method `didChangeVerificationCode()`, which you can implement to check for valid code in real time. This comes handy in stituations where you have to enable the submit button only if the verification code is valid.
 
 ## Author
 
 KeepWorks, ios@keepworks.com
 
+## Credits
+
+KWVerificationCodeView is owned and maintained by [KeepWorks](http://www.keepworks.com/).
+
+[![N|Solid](http://www.keepworks.com/assets/logo-800bbf55fabb3427537cf669dc8cd018.png)](http://www.keepworks.com/)
+
+## Contributing
+
+Bug reports and pull requests are welcome on GitHub at https://github.com/keepworks/KWVerificationCodeView.
+
 ## License
 
 KWVerificationCodeView is available under the MIT license. See the LICENSE file for more info.