add license to metadata

merlijn-sebrechts · merlijn-sebrechts · commit 43bca2a1cba2 · 2022-09-20T19:05:38.000+02:00
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
@@ -20,9 +20,10 @@ description: |
   - Comprehensive online help
 
   *Note: This Windows application runs on Linux using the Wine compatibility layer.*
-grade: stable
+license: GPL-2.0-only
 icon: snap/gui/cryptool.svg
 
+grade: stable
 base: core18
 confinement: strict
 
