add set-up for MySQL

Author: alexaorrico

setup_mysql_dev.sql

@@ -0,0 +1,7 @@
+-- prepares a MySQL server for the project
+
+CREATE DATABASE IF NOT EXISTS hbnb_dev_db;
+CREATE USER IF NOT EXISTS 'hbnb_dev'@'localhost' IDENTIFIED BY 'hbnb_dev_pwd';
+GRANT ALL PRIVILEGES ON `hbnb_dev_db`.* TO 'hbnb_dev'@'localhost';
+GRANT SELECT ON `performance_schema`.* TO 'hbnb_dev'@'localhost';
+FLUSH PRIVILEGES;