Add QExcell XLSX page setup support

src/types.ts

@@ -3,6 +3,9 @@ export type AppId = "word" | "sheets" | "slides" | "mail";
 export type WordPageSizeId = "a4" | "letter";
 export type WordPageOrientation = "portrait" | "landscape";
 export type WordPageMarginPreset = "normal" | "narrow" | "wide";
+export type SheetPageSizeId = "a4" | "letter";
+export type SheetPageOrientation = "portrait" | "landscape";
+export type SheetPageMarginPreset = "normal" | "narrow" | "wide";
 
 export interface WordPageSetup {
   size: WordPageSizeId;
@@ -10,6 +13,12 @@ export interface WordPageSetup {
   marginPreset: WordPageMarginPreset;
 }
 
+export interface SheetPageSetup {
+  size: SheetPageSizeId;
+  orientation: SheetPageOrientation;
+  marginPreset: SheetPageMarginPreset;
+}
+
 export interface WordDocument {
   id: string;
   title: string;
@@ -40,6 +49,7 @@ export interface Sheet {
   showGridLines?: boolean;
   zoomScale?: number;
   printArea?: string;
+  pageSetup?: SheetPageSetup;
   cells: Record<string, string>;
   mergedCells?: MergedCellRange[];
   hyperlinks?: Record<string, string>;