amphetype: add desktop item

pkgs/by-name/am/amphetype/package.nix

@@ -1,8 +1,10 @@
-{ fetchFromGitLab, lib, python3Packages, qt5 }:
+{ copyDesktopItems, fetchFromGitLab, lib, makeDesktopItem, python3Packages, qt5
+}:
 
 let
   pname = "amphetype";
   version = "1.0.0";
+  description = "An advanced typing practice program";
 in python3Packages.buildPythonApplication {
   inherit pname version;
 
@@ -21,10 +23,21 @@ in python3Packages.buildPythonApplication {
 
   doCheck = false;
 
-  nativeBuildInputs = [ qt5.wrapQtAppsHook ];
+  nativeBuildInputs = [ copyDesktopItems qt5.wrapQtAppsHook ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = pname;
+      desktopName = "Amphetype";
+      genericName = "Typing Practice";
+      categories = [ "Education" "Qt" ];
+      exec = pname;
+      comment = description;
+    })
+  ];
 
   meta = with lib; {
-    description = "An advanced typing practice program";
+    inherit description;
     homepage = "https://gitlab.com/franksh/amphetype";
     license = licenses.gpl3Only;
     maintainers = with maintainers; [ rycee ];