Odoo Server 15.5alpha1 - en to bg translation catalogue (4 entries)

note: module: website_event_booth_sale
en: Free
bg: Безплатен

note: module: website_event_booth_sale
en: Product Variant
bg: Продуктов вариант

note: module: website_event_booth_sale
en: Sales Order
bg: Поръчка

note: module: website_event_booth_sale
en: Website
bg: Уебсайт
