feat: add sdl builder + schema validation

[baktun14]

📝 Description

Add json schema validation for SDL with sdl builder helper class and functions

🔧 Purpose of the Change

• New feature implementation
• Bug fix
• Documentation update
• Code refactoring
• Dependency upgrade
• Other: [specify]

[coderabbitai]

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch features/sdl-builder-validation

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