Function create_loader_plan 

pub fn create_loader_plan(
    workspace_root: &str,
    sdk_root: &str,
    board_yaml_path: &str,
    python_binary: &str,
    target: &GenerationTargetSupport,
) -> LoaderPlan

Builds the LoaderPlan for target: resolves the output path under workspace_root and formats the alp_project.py command line.