rename --save-path to --save

src/main.rs

@@ -24,7 +24,7 @@ struct Args {
 
     /// Save path
     #[arg(long)]
-    save_path: Option<String>,
+    save: Option<String>,
 
     /// BootROM path
     #[arg(short, long)]
@@ -66,7 +66,7 @@ fn main() {
 
     let options = gb_emu::Options {
         rom_path: args.rom,
-        save_path: args.save_path,
+        save_path: args.save,
         bootrom_path: args.bootrom,
         connect_serial: args.connect_serial,
         verbose: args.verbose,