🔧 Add SonarQube analysis to CI

[Smartdevs17]

Problem

No code quality analysis tool integrated.

Context

Code smells and issues may accumulate without visibility.

Proposed Solution

Add SonarCloud:

1. Create SonarCloud project
2. Add to CI
3. Set quality gates
4. Configure rules

Acceptance Criteria

• SonarCloud configured
• Analysis runs in CI
• Quality gates enforced
• Issues tracked

Technical Notes

Action: SonarSource/sonarcloud-github-action
Config: sonar-project.properties

Constraints

• Free tier limits
• Code coverage requirement
• Time constraints

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[activatedkc]

@activatedkc has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hello,

I am a smart contract and full-stack developer interested in contributing to this issue. I am experienced with hands-on experience in Rust, Soroban, Go, Cairo, Solidity, and TypeScript.

I am passionate about building secure and scalable blockchain solutions, with a strong focus on writing clean, maintainable code. Based on the scope of this issue, I’m confident I can deliver a complete solution within 24 hours of assignment.

I would appreciate the opportunity to contribute and help move this forward.

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This issue has been completed by @activatedkc as part of the Stellar Wave Program's 3rd Wave 🥳

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