feat: add temperature unit preference

types/notifications.ts

@@ -1,6 +1,6 @@
 import type { Language } from "@/lib/i18n";
 import type { Province } from "@/types/province";
-import type { WindSpeedUnit } from "@/types/units";
+import type { TemperatureUnit, WindSpeedUnit } from "@/types/units";
 
 export interface PushSubscriptionKeys {
   p256dh: string;
@@ -25,6 +25,7 @@ export interface WarningPushSubscription {
   longitude: number | null;
   locationName: string | null;
   countyTeryt: string | null;
+  temperatureUnit: TemperatureUnit;
   windSpeedUnit: WindSpeedUnit;
   createdAt: string;
   updatedAt: string;

types/units.ts

@@ -1 +1,2 @@
+export type TemperatureUnit = "c" | "f";
 export type WindSpeedUnit = "ms" | "kmh" | "mph";