975399: Added proper readme file.

Author: sameerkhan001

README.md

@@ -20,4 +20,16 @@ $ flutter pub get
 
 $ flutter run
 
-```
+```
+
+## Requirements to run the demo
+* [VS Code](https://code.visualstudio.com/download)
+* [Flutter SDK v1.22+](https://flutter.dev/docs/development/tools/sdk/overview)
+* [For more development tools](https://flutter.dev/docs/development/tools/devtools/overview)
+
+## How to run this application
+To run this application, you need to first clone or download the ‘create a pdf document in flutter’ repository and open it in your preferred IDE, say VS Code. Then, build and run your project to view the output.
+
+## Further help
+For more help, check the [Syncfusion® Flutter documentation](https://help.syncfusion.com/flutter/introduction/overview),
+ [Flutter documentation](https://flutter.dev/docs/get-started/install).