[Update] Create Coupon API - New Options for Coupon Activation

Dear valued partner, Quick update on the [Create Coupon API](https://docs.zid.sa/docs/zid-merchant-api/tglozje1t6tgw-create-a-new-coupon#request-body). We've added new activation options for coupons, allowing you to specify sales channels: 1. **is_mazeed_active:** This option is for activate coupon on [Mazeed](https://mazeed.zid.sa/?_gl=1*17xx2dl*_ga*NTc1MjA0NDMxLjE2ODU2MDc5MzE.*_ga_1DER2KFSZD*MTY5OTE5NDYyNi43My4xLjE2OTkxOTUzMzkuMC4wLjA.&_ga=2.72394003.1421125202.1699165765-575204431.1685607931). Set value for this option `1` 2. **is_pos_active:** This option is for activate coupon on [ZidPos](https://zid.sa/zidpos/?_gl=1*wpp2dg*_ga*NTc1MjA0NDMxLjE2ODU2MDc5MzE.*_ga_1DER2KFSZD*MTY5OTE5NDYyNi43My4xLjE2OTkxOTUxMzguMC4wLjA.&_ga=2.176794533.1421125202.1699165765-575204431.1685607931). Set value for this option `1` 3. **is_mobile_app_active:** This option is for activate coupon on [mobile application](https://zid.sa/mobile-app/). Set value for this option `1` If you need assistance, please reach our support team in the partner dashboard. Wishing you continued success with Zid Partner.