Update dpi scaling

config/home.nix

@@ -7,6 +7,12 @@ in {
 
   fonts.fontconfig.enable = true;
 
+  environment.variables = {
+    EDITOR = "nvim";
+    GDK_SCALE = 0.5;
+    GDK_DPI_SCALE = 0.5;
+  };
+
   xdg = {
     enable = true;
     userDirs = {
@@ -64,6 +70,7 @@ in {
         pm2
         plexamp
         polybar
+        ranger
         rofi
         rofi-emoji
         steam

system/shared.nix

@@ -55,6 +55,7 @@
 
       displayManager = {
         lightdm.enable = true;
+        lightdm.greeters.gtk.enable = true;
       };
     };
   };