ReadMe updated with KB link

jayaleshwari · web-flow · commit b964c49176b3 · 2020-12-31T17:13:04.000+05:30
diff --git a/README.md b/README.md
@@ -1,2 +1 @@
-# aad-image-as-background-flutter-date-range-picker
-How to add an image as background in the Flutter date range picker (SfDateRangePicker)
+**[View document in our Syncfusion Flutter knowledge base](https://www.syncfusion.com/kb/12233/how-to-add-an-image-as-background-in-the-flutter-date-range-picker-sfdaterangepicker)**

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1 @@`
`1`		`-# aad-image-as-background-flutter-date-range-picker`
`2`		`-How to add an image as background in the Flutter date range picker (SfDateRangePicker)`
	`1`	`+[View document in our Syncfusion Flutter knowledge base](https://www.syncfusion.com/kb/12233/how-to-add-an-image-as-background-in-the-flutter-date-range-picker-sfdaterangepicker)`