feat: add back vertical_deck layout

src/layout/layout.h

@@ -24,6 +24,7 @@ enum {
 	VERTICAL_SCROLLER,
 	VERTICAL_TILE,
 	VERTICAL_GRID,
+	VERTICAL_DECK,
 };
 
 Layout layouts[] = {
@@ -39,4 +40,5 @@ Layout layouts[] = {
 	 VERTICAL_SCROLLER},								   // 垂直滚动布局
 	{"VT", vertical_tile, "vertical_tile", VERTICAL_TILE}, // 垂直平铺布局
 	{"VG", vertical_grid, "vertical_grid", VERTICAL_GRID}, // 垂直格子布局
+	{"VK", vertical_deck, "vertical_deck", VERTICAL_DECK}, // 垂直卡片布局
 };