Governance: Add delegation mechanism

[LaGodxy]

Allow token holders to delegate voting power to others.

[pchieneye]

@pchieneye has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hey, I would like to be assigned to this issue. I will implement a governance delegation mechanism that allows token holders to delegate and manage voting power securely, along with the necessary tests and documentation updates.

Can I be assigned to this issue?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @pchieneye to this issue.

[kilodesodiq-arch]

@kilodesodiq-arch has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

please can I work on this issue?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @kilodesodiq-arch to this issue.

[drips-wave]

Congratulations, @kilodesodiq-arch! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @kilodesodiq-arch: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @kilodesodiq-arch as part of the Stellar Wave Program's 5th Wave 🥳

😎 @kilodesodiq-arch: You earned 150 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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