fix: Use proper REUSE Specification

.gitlab-ci.yml

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2024 suyu Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 stages:
   - format
   - build

README.md

@@ -1,6 +1,6 @@
 <!--
 SPDX-FileCopyrightText: 2024 suyu emulator project
-SPDX-License-Identifier: GPL v3
+SPDX-License-Identifier: GPL-3.0-or-later
 -->
 
 **Note**: We do not support or condone piracy in any form. In order to use suyu, you'll need keys from your real Switch system, and games which you have legally obtained and paid for. We do not intend to make money or profit from this project.

dist/icns_generator.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
-# icns_generator.sh    GNU GPLv3 License
+
+# SPDX-FileCopyrightText: 2024 suyu Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# icns_generator.sh
 # Run this script when a new logo is made and the svg file inside.
 # You should install Imagemagick to make the conversions: $brew install imagemagick