Add new enums to match Flutter project structure

- Add RentPropertyCondition (WithFurniture/WithoutFurniture)
- Add RentPropertyType (Furnished/Unfurnished/SemiFurnished)
- Add RentType (Monthly/Daily)
- Add PropertyService (13 services for detailsJSON)
- Add PropertyTerm (NoSmoking/NoAnimals/NoParties)
- Add Currency (SYP/USD)
- Update enums barrel file

app/enums/Currency.js

@@ -0,0 +1,20 @@
+/**
+ * Currency Enum
+ * Currency IDs used in the backend
+ */
+const Currency = Object.freeze({
+  SYP: 1,
+  USD: 2,
+});
+
+const CurrencyLabels = Object.freeze({
+  [Currency.SYP]: 'ليرة سورية',
+  [Currency.USD]: 'دولار أمريكي',
+});
+
+const CurrencySymbols = Object.freeze({
+  [Currency.SYP]: 'SYP',
+  [Currency.USD]: 'USD',
+});
+
+export { Currency, CurrencyLabels, CurrencySymbols };