added mysql client to webserver to be able to create db contents

example-projects/tug-of-war-in-the-clouds/aws-boto3-rds-db/start.py

@@ -158,8 +158,8 @@ userDataWebServer = ('#!/bin/bash\n'
                      'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n'
                      '# essential tools\n'
                      'yum install -y joe htop git\n'
-                     '# mysql\n'
-                     'yum install -y httpd php php-mysql\n'
+                     '# httpd and mysql client\n'
+                     'yum install -y httpd php php-mysql mariadb\n'
                      '\n'
                      'service httpd start\n'
                      '\n'