Have a look at the prompts in the GitHub [0]. It defines a System Prompt and specifies the documentation structure. This would allow you to switch coding agents, instead of relying on how your coding agent interprets the command "write docs".
That's just cruft unless there is a benchmark demonstrating it's actually better than just asking an agent to write docs and/or using one of the thousands of document-writing skills like Anthropic's doc-coauthoring.