feat: implement business pricing service and money utilities

- Added `businessPricing.service.js` to handle business customer pricing logic.
- Introduced `money.js` for money parsing, formatting, and calculations.
- Created `pricing.service.js` to manage variant quoting and promotion application.
- Updated validation schemas in `catalogue.schemas.js` and `inventoryMerchandising.schemas.js` for new pricing and inventory features.
- Implemented cron job for inventory reservation expiry in `inventoryReservationExpiry.cron.js`.
- Created database migrations for catalogue and inventory structures.
- Added unit tests for catalogue localization, validation, and inventory merchandising functionalities.

app/services/catalogue/locale.service.js

@@ -0,0 +1 @@
+const {SUPPORTED_LOCALES,DEFAULT_LOCALE}=require("../../constants/locales");const normalize=v=>SUPPORTED_LOCALES.includes(String(v||"").slice(0,2).toLowerCase())?String(v).slice(0,2).toLowerCase():null;const resolveLocale=req=>normalize(req.query.locale)||normalize(req.get?.("x-locale"))||normalize(req.user?.profile?.preferred_language)||normalize(req.get?.("accept-language"))||DEFAULT_LOCALE;const selectTranslation=(rows=[],locale=DEFAULT_LOCALE)=>rows.find(x=>x.locale===locale)||rows.find(x=>x.locale===DEFAULT_LOCALE)||rows[0]||null;module.exports={resolveLocale,selectTranslation};