Fix access to design system email address

[kelliedesigner]

No current team members have access to the design system email inbox: designsystem@barnardos.org.uk

• [ ] Subscribe to the shared Design System mailbox
• [ ] Test that you are receiving the emails sent to that email address by sending a test mail

[kelliedesigner]

• You should be able to subscribe to the shared mailbox in your Outlook
• You can contact First Point or IS if you need any assistance.