basic layout system impl

samples/bin/library/scripts/emmy/components/layout.lua

@@ -13,29 +13,22 @@ local layout = {
     disabled = false,
 
     ---@type layout_modes
-    mode = layout.modes.vertical,
-
-    ---@type layout_valigns
-    valign = layout.valigns.center,
+    mode = layout.modes.horizontal,
 
     ---@type layout_haligns
     halign = layout.haligns.center,
 
+    ---@type layout_valigns
+    valign = layout.valigns.center,
+
     ---@type number
     spacing = 0.0
 }
 
 ---@class layout_modes
 layout.modes = {
-    vertical = "vertical",
-    horizontal = "horizontal"
-}
-
----@class layout_valigns
-layout.valigns = {
-    top = "top",
-    center = "center",
-    bottom = "bottom"
+    horizontal = "horizontal",
+    vertical = "vertical"
 }
 
 ---@class layout_haligns
@@ -45,6 +38,13 @@ layout.haligns = {
     right = "right"
 }
 
+---@class layout_valigns
+layout.valigns = {
+    top = "top",
+    center = "center",
+    bottom = "bottom"
+}
+
 ---@overload fun(self: layout)
 ---@param self layout
 function layout.enable(self) end