Function create_directory_structure 

pub fn create_directory_structure(project_path: &Path) -> Result<()>

Create the Clean Architecture directory structure

Creates all necessary directories for a Clean Architecture project:

• src/ - Source code root
• src/domain/ - Domain layer (entities, repositories)
• src/application/ - Application layer (services)
• src/infrastructure/ - Infrastructure layer (repository implementations)
• src/presentation/ - Presentation layer (HTTP handlers)
• tests/ - Integration tests

Arguments

• project_path - Root path where the project directories will be created

Errors

Returns an error if any directory creation fails