feat: Add application configuration for API Gateway and services, including routing and health checks

test: Add integration tests for authentication and patient retrieval

feat: Implement JWT validation filter and update application routes for auth service

feat: Add token validation endpoint and implement token validation logic

feat: Initialize auth-service project with Spring Boot, security, and JWT authentication

feat: Set up API Gateway with Spring Boot, Maven, and Docker configuration

feat: Implement analysis service with Kafka integration and gRPC support

feat: Add gRPC client for billing service and update patient service integration

feat: Initialize billing service with Spring Boot and gRPC setup

first commit: patient service with docker