Creating database seems alright

Unsure really whether the data is in there properly - but there
is data in there!

scryfall_deser/src/lib.rs

@@ -5,6 +5,7 @@ mod deser;
 pub use crate::deser::ScryfallCard;
 
 mod db;
-pub use db::init_db;
+pub use db::{init_db, update_db_with_file};
 
 mod utils;
+pub use utils::get_local_cache_folder;