Retro 29.2 & 29.3 Improve Documentation Standards for Names Application Work

**Description**

There is currently a lack of consistent documentation standards for Names application work, making it difficult to track processes, technical details, and knowledge sharing across the team.

This ticket is to define simple documentation standards/templates and identify major documentation gaps to improve consistency and maintainability.

**Acceptance Criteria**

- [ ] Define basic documentation standards/templates
- [ ] Identify key documentation gaps for Names application work
- [ ] Align on ownership and maintenance expectations
- [ ] Document/share where documentation should be maintained.