Hyprland: switch to master layout

Add sensible config for Hyprland master layout

home/hyprland/config.nix

@@ -49,7 +49,7 @@ in ''
       col.inactive_border = $surface2
       col.group_border = $surface2
       cursor_inactive_timeout = 5
-      layout = dwindle
+      layout = master
   }
 
   dwindle {
@@ -57,6 +57,14 @@ in ''
     preserve_split = true
   }
 
+  master {
+    mfact = 0.55
+    new_is_master = false
+    new_on_top = false
+    no_gaps_when_only = 0
+    orientation = left
+  }
+
   decoration {
       rounding = 10
       drop_shadow = yes