Update: Readme

Author: Florian Körner

README.md

@@ -5,15 +5,16 @@ Checkdomain/Holiday is a small library to check if a specified date is a holiday
 
 ## Currently supported countries
 
-- **AT** Austria
-- **DE** Germany
-- **DK** Denmark
-- **FR** France
-- **IT** Italy
-- **NO** Norway
-- **PL** Poland
-- **PT** Portugal
-- **SE** Sweden
+- 🇦🇹  **AT** Austria
+- 🇧🇷  **BR** Brazil
+- 🇩🇪  **DE** Germany
+- 🇩🇰  **DK** Denmark
+- 🇫🇷  **FR** France
+- 🇮🇹  **IT** Italy
+- 🇳🇴  **NO** Norway
+- 🇵🇱  **PL** Poland
+- 🇵🇹  **PT** Portugal
+- 🇸🇪  **SE** Sweden
 
 ## Your country is not supported?