Function validateRawArticles

Returns {
    articles: {
        article_billReference: string;
        article_category_id?: number;
        article_code?: string;
        article_comment?: string;
        article_eanCode?: string;
        article_gross_sellingPrice?: string;
        article_id?: string;
        article_minStock: string;
        article_name: string;
        article_negativeStock?: boolean;
        article_net_purchacePrice?: string;
        article_net_sellingPrice?: string;
        article_stock?: string;
        article_stockStatus?: number;
        article_taxRate?: string;
        article_unit?: string;
    }[];
}