Generates a complete, polished README.md by scanning the actual project structure, dependencies, and code. Use this skill when a project needs documentation, when writing a README from scratch, or when updating project documentation. Triggers on tasks involving README creation, project documentation, project setup instructions, tech stack overview, usage examples, or configuration guides. Works by scanning pyproject.toml, package.json, setup.py, Cargo.toml, go.mod, and other manifests for real install steps, scripts, and dependencies.