refactor code structure

config/layouts.lua

@@ -0,0 +1,26 @@
+-- Keep layout defaults together so a later module cannot silently override a
+-- single field from another `hl.config` call.
+hl.config({
+    -- Dwindle is the default layout for ordinary workspaces.
+    general = {
+        layout = "dwindle",
+    },
+
+    -- Remember the user's most recent split direction in dwindle.
+    dwindle = {
+        preserve_split = true,
+    },
+
+    -- Named workspaces opt into master layout. New windows enter the slave
+    -- column, leaving the current master in place.
+    master = {
+        mfact = 0.80,
+        orientation = "left",
+        new_status = "slave",
+    },
+
+    -- Expand the only column when using Hyprland's scrolling layout.
+    scrolling = {
+        fullscreen_on_one_column = true,
+    },
+})