feat: support _not_ renaming an origin

mostly this just has to do with workplace-related workflows and tools assuming
that `origin` exists as a remote alias, which is unfortunate but such is life.

src/main.rs

@@ -92,7 +92,9 @@ impl Workspace {
             )
             .expect(&format!("couldn't clone repo: {}", repo_name));
 
-        repo.remote_rename("origin", &self.origin.name).unwrap();
+        if &self.origin.name != "origin" {
+            repo.remote_rename("origin", &self.origin.name).unwrap();
+        }
 
         repo
     }