Provide a persona slide template

[cmajel]

I've come across a number of presentations where we are describing user personas, but these are often created as one-off, custom slide layouts. Since this is a common use case, we should recommend a template that will meet most needs.

• [ ] Audit past presentations and find patterns
• [ ] Develop a proposed layout
• [ ] Get feedback
• [ ] Add to official slide template

[mgwalker]

Closing as stale, on the assumption that the need will resurface if it still exists.