Add option property to haproxy_listen

[eheydrick]

Signed-off-by: Eric Heydrick [email protected]

Description

Add option property to haproxy_listen like the frontend and backend resources already have.

Issues Resolved

#469

Check List

• [x] A summary of changes made is included in the CHANGELOG under ## Unreleased
• [x] New functionality includes testing.
• [x] New functionality has been documented in the README if applicable.