nitrokey-app2: install desktop file and icon (#355690)

Author: r-vdp

pkgs/tools/security/nitrokey-app2/default.nix

@@ -43,6 +43,11 @@ python3.pkgs.buildPythonApplication rec {
     "nitrokeyapp"
   ];
 
+  postInstall = ''
+    install -Dm755 meta/com.nitrokey.nitrokey-app2.desktop $out/share/applications/com.nitrokey.nitrokey-app2.desktop
+    install -Dm755 meta/nk-app2.png $out/share/icons/hicolor/128x128/apps/com.nitrokey.nitrokey-app2.png
+  '';
+
   meta = with lib; {
     description = "This application allows to manage Nitrokey 3 devices";
     homepage = "https://github.com/Nitrokey/nitrokey-app2";