refactor(home): move modules/{program}.nix to modules/{program}/default.nix

home/common.nix

@@ -1,9 +1,9 @@
 { pkgs, ... }:
 {
   imports = [
-    ./modules/nethack.nix
-    ./modules/firefox.nix
-    ./modules/neovim.nix
+    ./modules/nethack/default.nix
+    ./modules/firefox/default.nix
+    ./modules/neovim/default.nix
   ];
 
   programs = {

home/maidena.nix

@@ -1,6 +1,6 @@
 {
   imports = [
-    ./modules/hyprland.nix
-    ./modules/plasma.nix
+    ./modules/hyprland/default.nix
+    ./modules/plasma/default.nix
   ];
 }

home/modules/plasma/default.nix

@@ -32,7 +32,7 @@
       theme = "breeze-dark";
       colorScheme = "BreezeDark";
       lookAndFeel = "org.kde.breezedark.desktop";
-      wallpaper = ../resources/wallpaper.png;
+      wallpaper = ../../resources/wallpaper.png;
     };
 
     panels = [