Feature: Added product Stock Keeping Units to prevent duplicate products. A lot of refactoring because of this.

Removed: Reset Stock as it was never used and don't think it is even needed with this new batch system.
Fix: Incentive update was not working

overlord/src/app/settings/settings.service.ts

@@ -41,18 +41,6 @@ export class SettingsService {
     >;
   }
 
-  resetStock(
-    resetDate: string,
-    stockDate: string,
-    product: Product,
-    quantity: number,
-  ): Observable<boolean> {
-    const url = '/api/reset-stock';
-    return this.http
-      .post<boolean>(`${url}/${product.id}`, { stockDate, resetDate, quantity })
-      .pipe(catchError(this.log.handleError(serviceName, 'resetStock'))) as Observable<boolean>;
-  }
-
   rebaseDatabase(date: string): Observable<Record<string, never>> {
     const url = '/api/rebase';
     return this.http