feat(prices): implement price management with date ranges, including creation, retrieval, and history listing; update schemas and API documentation

feat(quotation): implement global temporal discounts with status control

fix(quotation): correctly calculate discounted price from percentage and original unit price

fix(cotation_calcul): discount handling

feat(quotations): optimize quotation creation and enhance batch processing for articles and prices

fix(calcul): correct use of discounts

feat(quotations): route and calcul workflow