Update README.md

Author: marickvantuil

README.md

@@ -28,9 +28,9 @@ Please check the table below for supported Laravel and PHP versions:
 | 5.6 | 7.2 or 7.3
 | 5.7 | 7.2 or 7.3
 | 5.8 | 7.2 or 7.3 or 7.4
-| 6.x | 7.2 or 7.3 or 7.4
-| 7.x | 7.2 or 7.3 or 7.4
-| 8.x | 7.3 or 7.4
+| 6.x | 7.2 or 7.3 or 7.4 or 8.0
+| 7.x | 7.2 or 7.3 or 7.4 or 8.0
+| 8.x | 7.3 or 7.4 or 8.0
 
 # Installation