coremidi.c update readme

Signed-off-by: Joseph Mattiello <[email protected]>

CoresRetro/RetroArch/PVRetroArchCore/retroarch/coremidi.c

@@ -1,9 +1,18 @@
-//
-//  coremidi.c
-//  RetroArch
-//
-//  Created by Joseph Mattiello on 2/14/25.
-//
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2025      - Joseph Mattiello
+ *
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 
 #include <CoreMIDI/CoreMIDI.h>
 #include <libretro.h>