ReadMe updated with KB link

jayaleshwari · web-flow · commit 1267eb6b43fb · 2021-02-04T11:11:17.000+05:30
diff --git a/README.md b/README.md
@@ -1,2 +1 @@
-# tyle-header-flutter-date-range-picker
-How to style a header the Flutter date range picker (SfdateRnagePicker) 
+**[View document in Syncfusion Flutter Knowledge base](https://www.syncfusion.com/kb/12342/how-to-style-a-header-the-flutter-date-range-picker-sfdaternagepicker)**

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1 @@`
`1`		`-# tyle-header-flutter-date-range-picker`
`2`		`-How to style a header the Flutter date range picker (SfdateRnagePicker)`
	`1`	`+[View document in Syncfusion Flutter Knowledge base](https://www.syncfusion.com/kb/12342/how-to-style-a-header-the-flutter-date-range-picker-sfdaternagepicker)`