feat: implement periodic shopify sales sync

- automated sales check (default 10 mins)

- manual reconciliation menu

- updates 'status' and 'shopify_status' in sheet

- updated docs

src/global.ts

@@ -21,6 +21,8 @@ import {
 } from "./onEditQueue"
 import { fillProductFromTemplate } from "./fillProductFromTemplate"
 import { showSidebar, getQueueStatus, setQueueEnabled, deleteEdit, pushEdit } from "./sidebar"
+import { checkRecentSales, reconcileSalesHandler } from "./salesSync"
+import { installSalesSyncTrigger } from "./triggers"
 
 // prettier-ignore
 ;(global as any).onOpen = onOpen
@@ -43,3 +45,6 @@ import { showSidebar, getQueueStatus, setQueueEnabled, deleteEdit, pushEdit } fr
 ;(global as any).setQueueEnabled = setQueueEnabled
 ;(global as any).deleteEdit = deleteEdit
 ;(global as any).pushEdit = pushEdit
+;(global as any).checkRecentSales = checkRecentSales
+;(global as any).reconcileSalesHandler = reconcileSalesHandler
+;(global as any).installSalesSyncTrigger = installSalesSyncTrigger