Add property form submits to API as RentPropertyDto

- Added addRentProperty() API function for POST /RentProperties/AddRentProperty
- handleSubmit builds correct RentPropertyDto with nested PropertyInformation
- Maps UI fields to API enums (BuildingType, RentType, RentPropertyType, PropertyStatus)
- Services/terms stored in DetailsJSON as JSON string
- Console logs the full payload before sending

app/utils/api.js

@@ -169,6 +169,16 @@ export async function getOwnerByUserId(userId) {
   return apiFetch(`/Owner/GetByUserId/${userId}`);
 }
 
+// ─── Properties ───
+
+export async function addRentProperty(data) {
+  console.log('[API] Adding rent property:', data.PropertyInformation?.Address);
+  return apiFetch('/RentProperties/AddRentProperty', {
+    method: 'POST',
+    body: JSON.stringify(data),
+  });
+}
+
 // ─── Auth: Registration ───
 
 /**