sql 8 fix

README.md

@@ -69,5 +69,8 @@ mysql> FLUSH PRIVILEGES;
 mysql> SHOW GRANTS FOR 'razerpay'@'%';
 mysql> REVOKE ALL PRIVILEGES ON *.* FROM 'razerpay'@'%';
 mysql> DROP USER 'razerpay'@'%';
+
+// apply this for mysql-8 if encountered PublicKeyRetrieval error
+mysql> ALTER USER 'razerpay'@'%' IDENTIFIED WITH mysql_native_password BY 'razerpay-singapore';
 ```