Add Aegis dashboard self-review template

[El-swaggerito]

Description

Difficulty: Hard

Type: Documentation

Summary

Create a self-review template for dashboard contributors before review.

Current Behaviour

Contributors may not check whether the dashboard issue is fully complete.

Expected Behaviour

The template should cover requirements, tests, screenshots, CI, accessibility, docs, and affected routes.

Suggested Implementation

Create docs and PR template references.

Files or Areas Likely Affected

• docs/
• .github/
• README.md

Acceptance Criteria

• Self-review template is added.
• Requirements are covered.
• Tests and CI are covered.
• Screenshots are covered.
• Accessibility is covered where relevant.
• README links to template.

Additional Notes

This supports objective self-evaluation.