Feature/mintr

• Added the core structure of the mindtrace-risk-service microservice.
• Implemented risk management APIs under /api/v1/risk-service/risks.
• Added automatic risk detection endpoints for project-level risks.
• Added risk retrieval by project and by UUID.
• Added risk counting and statistics endpoints by project.
• Implemented internal security using the X-Internal-Request header.
• Added service, repository, mapper, DTOs, controller, and configuration layers.
• Integrated common Risk models and enums from mindtrace-common.
• Prepared the service architecture for future integrations with:
  • external-data-service for operational risks
  • budget-service for budget risks