Add PocketPay Mobile contributor self-review form

[El-swaggerito]

Description

Difficulty: Hard

Type: Documentation

Summary

Create a contributor self-review form for PocketPay Mobile issues.

Current Behaviour

Contributors may wait until payment day before realising their work was incomplete or under-tested.

Expected Behaviour

The repo should give contributors a self-review form to complete before requesting review or expecting payment approval.

Suggested Implementation

Create a self-review form covering requirements, implementation, tests, CI, documentation, and known limitations.

Files or Areas Likely Affected

• docs/
• README.md
• .github/
• src/
• tests/
• package.json

Acceptance Criteria

• Self-review form is added.
• Requirements review is included.
• Implementation completeness is included.
• Testing evidence is included.
• CI status is included.
• Known limitations are included.

Additional Notes

This encourages contributors to evaluate their own work objectively.