Function page 

pub fn page() -> &'static str

The page, rendered once.

use majordomus_cli::http::swagger;
let page = swagger::page();
assert!(page.contains(swagger::SWAGGER_UI_VERSION));
assert!(page.contains("url: \"/openapi.json\""));
assert!(!page.contains("\"paths\""), "the shell embeds no specification");
assert!(page.contains("--font-sans"), "the shell carries the repository's design tokens");