Switch SDDM to greetd

packages/development/cpp/dfl-app/default.nix

@@ -0,0 +1,22 @@
+{
+  stdenv
+, lib, fetchFromGitLab
+, meson, ninja, pkg-config
+, qtbase, wrapQtAppsHook
+, dfl-ipc
+}:
+
+stdenv.mkDerivation {
+  pname = "dfl-applications";
+  version = "20221012";
+
+  src = fetchFromGitLab {
+    owner = "desktop-frameworks";
+    repo = "Applications";
+    rev = "08b6740379d596f40562b37b509705f5c8af0c42";
+    sha256 = "1jiymrg6236572yk6rnbl183fisl4kqr5c2zji910n93zv7lqqiv";
+  };
+
+  buildInputs = [ qtbase meson ninja pkg-config dfl-ipc ];
+  nativeBuildInputs = [ wrapQtAppsHook ]; 
+}