Add store installments module with calculator and public API docs.

Business dashboard can manage credit methods and preview plans; cropper and module flags support the new flow.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/utils/businessModules.ts

@@ -2,6 +2,7 @@
 export const BUSINESS_DASHBOARD_MODULE_IDS = [
   'products',
   'store',
+  'store_installments',
   'portfolio',
   'blog',
   'warehouse',
@@ -53,7 +54,10 @@ export const DEFAULT_NEW_BUSINESS_MODULES: BusinessModuleId[] = [
  */
 export const DEFAULT_ENABLED_BUSINESS_MODULES: BusinessModuleId[] =
   BUSINESS_DASHBOARD_MODULE_IDS.filter(
-    (id) => id !== 'workshops' && id !== 'multilanguage_data',
+    (id) =>
+      id !== 'workshops' &&
+      id !== 'multilanguage_data' &&
+      id !== 'store_installments',
   )
 
 export const DEFAULT_HOME_CHARTS: [HomeChartId, HomeChartId] = [