[CONTRACT] Write deploy script for Group Treasury contract

[codebestia]

Create contracts/scripts/deploy_group_treasury.sh mirroring the pattern from deploy_token_transfer.sh. Accept DEPLOYER_SECRET, ADMIN_ADDRESS, TOKEN_CONTRACT_ID, and INITIAL_MEMBERS (comma-separated) as env vars. Add GROUP_TREASURY_CONTRACT_ID to .env.example.

Acceptance criteria:

• Script builds, uploads, deploys, and calls initialize
• Outputs the contract ID and instructions to add to .env

[KingFRANKHOOD]

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

Hello, I’m a full stack developer with hands-on experience building with variety of tools including Nextjs, nodejs, nestjs, React, Typescript and more

I focus on writing clear, maintainable code and making sure features work as expected end to end, not just in isolation. I communicate progress regularly and keep things transparent as I work. I’m confident I can complete this task within an ETA of 12 HOURS

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[hartz0]

@hartz0 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Can i work on this issue please maintaner

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[Depo-dev]

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

I’d like to handle this. I’ll add a deploy script following the existing deployment flow, wire in the required env vars, make initialization automatic, and update the env example with the treasury contract output setup.

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

[drips-wave]

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

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[drips-wave]

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

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