Define roles for space managers

Description

As an administrator I want to add multiple space managers and define specific roles for them.

For example:

Example:
SPACE: Documentation
User 1
<Content Administration>
User 2
<Quality Review>

SPACE: Marketing
User 1 (same user as Documentation, but different Label)
<Responsible for Blog Updates>
User 3:
<Corporate Design>

Environment

None

Assignee

Unassigned

Reporter

sysadmin+backbone

Labels

None

Epic/Theme

None

Effort

None

Priority

Normal
Configure