docs: added documentation, enforced documentation

src/pull.rs

@@ -333,6 +333,11 @@ async fn fetch_archive_sources(
     Ok(())
 }
 
+/// Pull a source package locally
+///
+/// Will try to find the package information, and use it to download it over prefered way
+/// (either git or direct archive download), as well as orig tarball, inside 'package' directory
+/// The source will be extracted under 'package/package'
 pub async fn pull(
     package: &str,
     _version: &str,