[Docs] Illustrate cloud/identity/teams with Infrastructure and Development team examples

## Overview
Update `cloud/identity/teams` to use Orbital Labs' Infrastructure team (Zara, Five) and Development team (Rex, Jordan) as examples.

## Tasks
- [ ] Add the Infrastructure team (admin: Zara Osei, members: Five) as primary example
- [ ] Add the Development team (admin: Maya Chen, members: Rex Park, Jordan Reyes) as second example
- [ ] Add `/images/five/team-of-fives.svg` illustration at an appropriate point
- [ ] Link to `/cloud/about` for full cast reference

## Reference
- Narrative: `/cloud/about`
- Difficulty: Low