Function infer_name 

pub fn infer_name(path_or_url: &str) -> String

Infer an entry name from a path or URL (filename stem).

use skillfile_core::parser::infer_name;
assert_eq!(infer_name("skills/requesting-code-review"), "requesting-code-review");
assert_eq!(infer_name("agents/code-refactorer.md"), "code-refactorer");
assert_eq!(infer_name("https://example.com/browser-skill.md"), "browser-skill");
assert_eq!(infer_name("."), "content");