Add a possible workaround for authorization issues

src/main.rs

@@ -196,7 +196,7 @@ fn get_catalog_id(name: &str, auth: &str) -> String {
     let prefix = "CatalogId: '";
     let idx = body.find(prefix)
         .expect("Failed to find CatalogId on the catalog page! Perhaps you got the wrong catalog \
-                 name or an invalid login?");
+                 name or an invalid login? Maybe you need to open the page in a browser once...");
     let pre_len = prefix.len();
     // Assuming all catalog ids follow this pattern!
     let len = "a6fca0c1-0be4-4e66-83b7-bcdc4eb5e95e".len();