Document SDK asset formatting rules

[El-swaggerito]

Description

Difficulty: Expert

Type: Documentation

Summary

Document asset formatting rules for SDK consumers.

Current Behaviour

Apps may display asset codes, issuers, and balances inconsistently.

Expected Behaviour

The SDK should provide guidance for displaying native and issued assets safely.

Suggested Implementation

Add documentation covering asset code display, issuer display, decimal formatting, unknown assets, and warnings.

Files or Areas Likely Affected

docs/
README.md

Acceptance Criteria

• Asset formatting rules are documented.
• Native and issued asset display is covered.
• Issuer display guidance is included.
• Balance formatting is explained.
• README links to the document.

Additional Notes

This supports consistent mobile and web UX.

[Damola-Sodiq]

Hi, can i be assigned be work on this issue?

[grantfox-oss]

🦊 GrantFox — @Damola-Sodiq has been assigned to this issue as part of the Official Campaign | FWC26 campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #185)
2. Your PR will be reviewed by the Axionvera maintainers

Good luck! Track your progress on GrantFox.

[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Official Campaign | FWC26 campaign!

@Damola-Sodiq's PR #232 was approved and merged by @El-swaggerito.

🏆 @Damola-Sodiq: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (191 total points). Track your full progress on GrantFox.

👏 Great work, @Damola-Sodiq! Keep contributing to Axionvera.