Create personas to visualize our user base

team: u, sajolida, (spriver) + review&advice from jaster

Blueprint: https://tails.boum.org/blueprint/personas/

Subtasks

• #14525 (closed)
• #15712 (closed)
• #15713 (closed)
• #15714 (closed)
• #16483 (closed)
• #16484 (closed)

Related issues

• Related to #11778 (closed)
• Blocks #7627
• Blocks #6170
• Blocks #16080 (closed)

Original created by @sajolida on 11162 (Redmine)