Update README.md

Author: mckaragoz

README.md

@@ -11,6 +11,7 @@
 ## Components
 
 - MudAnimate
+- MudBarcode
 - MudChipField
 - MudCodeInput
 - MudColorProvider
@@ -24,7 +25,6 @@
 - MudPage
 - MudPasswordField
 - MudPopup
-- MudQrCode
 - MudScrollbar
 - MudSection
 - MudSpeedDial
@@ -64,6 +64,7 @@ https://codebeam-mudextensions.pages.dev/api
 | 6.1.5 - 6.1.9 | 6.1.4 - 6.1.7 | .Net 6 & .Net 7 |
 | 6.2.0 - 6.2.5 | 6.1.8 | .Net 6 & .Net 7 |
 | 6.2.6 - 6.4.8 | 6.1.9 - 6.2.0 | .Net 6 & .Net 7 |
+| 6.4.9 | 6.2.1 - 6.2.2 | .Net 6 & .Net 7 |
 
 ## Installation
 This extension uses MudBlazor features (need to set up MudBlazor if you didn't before), so only need to add this line described below:<br /><br />