Support Swift language (for insert code block)

[mohamnexus]

Describe the feature you'd like

Hi, please add Swift language support to insert code block.

Describe the benefits this would bring to existing BookStack users

Users of BookStack can show Swift language (iOS language) in BookStack.

Can the goal of this request already be achieved via other means?

No.

Have you searched for an existing open/closed issue?

• I have searched for existing issues and none cover my fundemental request

How long have you been using BookStack?

0 to 6 months

Additional context

No response

[ssddanbrown]

Appears to be a built-in language so should be an easy add, have assigned for the next feature release.