Read me file updated

Example/Pods/Pods.xcodeproj/project.pbxproj

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@@ -382,9 +382,9 @@
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GLWalkthrough.podspec

@@ -10,6 +10,8 @@ Pod::Spec.new do |s|
   s.name             = 'GLWalkthrough'
   s.version          = '0.1.0'
   s.summary          = 'GLWalkthrough helps users to add walk through or coach marker functionality to their application'
+  s.swift_version = '4.0'
+
 
 # This description is used to generate tags and improve search results.
 #   * Think: What does it do? Why did you write it? What is the focus?

GLWalkthrough/Classes/GLWalkThrough.swift

@@ -227,9 +227,8 @@ public struct GLWalkThroughConfig {
     public var nextBtnTitle:String = "Next"
     public var isSkipEnabled:Bool = true
     public var tapToNext:Bool = true
-    public var isNextEnabled:Bool = true
     public var position:GLPosition = .bottomLeft
-    public var isInBottom:Bool {
+    var isInBottom:Bool {
         return position == .bottomCenter || position == .bottomLeft || position == .bottomRight
     }
     

README.md

@@ -19,10 +19,68 @@ it, simply add the following line to your Podfile:
 ```ruby
 pod 'GLWalkthrough'
 ```
+### Preview
+<img src="Designs/screen_shot_bottom.png" width=380> 
+<img src="Designs/screen_shot_center.png" width=380> 
+<img src="Designs/screen_shot_top.png" width=380> 
 
+### Public Attribute
+|  Attribute name    |  Specific introduction of attributes |
+| :------------: | :------------: | 
+| `title` | titile to be shown on each object |
+| `subtitle` | subtitle to be shown on each object |
+| `nextBtnTitle` | button title for next button. (default text is "Next") |
+| `isSkipEnabled` | bool to enable/disable skip button (applies to each individual object) |
+| `position` | specify the position of object to be highlighted (like bottomLeft, bottomCenter, topRight) |
+| `frameOverWindow` | CGRect of object to be highlighted |
+
+
+### DataSources
+|  Attribute name    |  Specific introduction of attributes |
+| :------------: | :------------: | 
+| `func numberOfItems() -> Int` | gets number of UI object to be highlighted |
+| `func configForItemAtIndex(index:Int) -> GLWalkThroughConfig` | Provide detail info of object to be highlighted in form of GLWalkThroughConfig  |
+
+
+### Delegates
+|  Attribute name    |  Specific introduction of attributes |
+| :------------: | :------------: | 
+| `func didSelectNextAtIndex(index:Int)` | triggered on tap of next button |
+| `func didSelectSkip(index:Int)` | triggered when user taps skip  |
+
+### Sample
+`Init`
+```let coachMarker = GLWalkThrough()
+coachMarker.dataSource = self
+coachMarker.delegate = self
+coachMarker.show()
+```
+`Datasource`
+```
+extension ViewController: GLWalkThroughDataSource {
+    
+    func numberOfItems() -> Int {
+        return 1
+    }
+    
+    func configForItemAtIndex(index: Int) -> GLWalkThroughConfig {
+        switch index {
+        case 0:
+            var config = GLWalkThroughConfig()
+            config.title = "Home Screen"
+            config.subtitle = "Here you can explore Services, Articles, plans"
+            config.frameOverWindow = CGRect(x: 50, y: 50, width: 100, height: 100)
+            config.position = .topLeft
+            return config
+        default:
+            return GLWalkThroughConfig()
+        }
+    }
+}
+```
 ## Author
 
-gokulgovind, gokul.g@payoda.com
+gokulgovind, gokulece26@gmail.com
 
 ## License