moved things where they belong

pkgs/pureref/default.nix

@@ -0,0 +1,23 @@
+{ lib, appimageTools, runCommand, curl, gnugrep, cacert }:
+
+appimageTools.wrapType1 rec {
+  pname = "pureref";
+  version = "2.0.0";
+
+  src = runCommand "PureRef-${version}_x64.Appimage" {
+    nativeBuildInputs = [ curl gnugrep cacert ];
+    outputHash = "sha256-da/dH0ruI562JylpvE9f2zMUSJ56+T7Y0xlP/xr3yhY=";
+  } ''
+    key="$(curl "https://www.pureref.com/download.php" --silent | grep '%3D%3D' | cut -d '"' -f2)"
+    curl "https://www.pureref.com/files/build.php?build=LINUX64.Appimage&version=${version}&downloadKey=$key" --output $out
+  '';
+
+  meta = with lib; {
+    description = "Reference Image Viewer";
+    homepage = "https://www.pureref.com";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ elnudev ];
+    platforms = [ "x86_64-linux" ];
+    sourceProvenance = [ lib.sourceTypes.binaryNativeCode ];
+  };
+}