Documentation organization, maintenance, and cleanup.USE WHEN: organizing docs, cleaning project root, updating documentation,checking for redundancy, maintaining docs structure.NOT FOR: technical implementation (use relevant technical skill).Examples:<example>Context: User added documentation to wrong location.user: "I added a new API doc file to the root directory"assistant: "I'll use docs-keeper to organize it in the proper docs/ location."<commentary>File organization is docs-keeper responsibility.</commentary></example><example>Context: User needs to update docs after code changes.user: "I modified the auth system and need to update the docs"assistant: "I'll use docs-keeper to update the authentication documentation."<commentary>Documentation updates are docs-keeper responsibility.</commentary></example>