Readme file updated

Author: champ96k

README.md

@@ -1,2 +1,102 @@
-# flutter-walkthrough-screen
+# Flutter Walkthrough Screen
 A flutter package which help developer in creating a customize onboarding screens of their app.
+
+## Screenshots
+
+![](https://i.ibb.co/L05Kg47/Walkthrough.png)
+
+
+## Usage
+
+
+[Example](https://github.com/champ96k/flutter-walkthrough-screen/tree/main/example)
+
+To use this package :
+
+* add the dependency to your [pubspec.yaml](https://github.com/champ96k/flutter-onboarding-screen/blob/master/pubspec.yaml) file.
+
+```yaml
+  dependencies:
+    flutter:
+      sdk: flutter
+    flutter_walkthrough_screen:
+```
+
+### How to use
+
+```dart
+class TestScreen extends StatelessWidget {
+    /*here we have a list of OnbordingScreen which we want to have, each OnbordingScreen have a imagePath,title and an desc.
+      */
+  final List<OnbordingData> list = [
+      OnbordingData(
+        image: AssetImage("images/pic1.png"),
+        titleText:Text("This is Title1"),
+        descText: Text("This is desc1"),
+      ),
+       OnbordingData(
+        image: AssetImage("images/pic2.png"),
+        titleText:Text("This is Title2"),
+        descText: Text("This is desc2"),
+      ),
+       OnbordingData(
+        image: AssetImage("images/pic3.png"),
+        titleText:Text("This is Title3"),
+        descText: Text("This is desc4"),
+      ),
+       OnbordingData(
+        image: AssetImage("images/pic4.png"),
+        titleText:Text("This is Title4"),
+        descText: Text("This is desc4"),
+      ),
+    ];
+
+  @override
+  Widget build(BuildContext context) {
+    /* remove the back button in the AppBar is to set automaticallyImplyLeading to false
+  here we need to pass the list and the route for the next page to be opened after this. */
+    return IntroScreen(
+                 onbordingDataList: list,
+                 colors: [
+                   //list of colors for per pages
+                 ],
+                 pageRoute: MaterialPageRoute(
+                   builder: (context) => NextPage(),
+                 ),
+                 nextButton: Text(
+                   "NEXT",
+                   style: TextStyle(
+                     color: Colors.purple,
+                   ),
+                 ),
+                 lastButton: Text(
+                   "GOT IT",
+                   style: TextStyle(
+                     color: Colors.purple,
+                   ),
+                 ),
+                 skipButton: Text(
+                   "SKIP",
+                   style: TextStyle(
+                     color: Colors.purple,
+                   ),
+                 ),
+                 selectedDotColor: Colors.orange,
+                 unSelectdDotColor: Colors.grey,
+               );
+  }
+}
+```
+
+### Created & Maintained By
+
+[Tushar Nikam](https://github.com/champ96k)
+([linkedin](https://www.linkedin.com/in/tushar-nikam-a29a97131/))
+
+
+## Getting Started
+
+For help getting started with Flutter, view our online [documentation](https://flutter.io/).
+
+For help on editing package code, view the [documentation](https://flutter.io/developing-packages/).
+