fix: type errors (#3)

Co-authored-by: terraputix <terraputix@mailbox.org>
Reviewed-on: useweb/open-meteo-blue#3

src/routes/weather/utils/weather-codes.ts

@@ -1,4 +1,4 @@
-export default {
+const weatherCodes: Record<number, string> = {
 	0: 'clear',
 	1: 'clear',
 	2: 'cloudy',
@@ -79,3 +79,5 @@ export default {
 	96: 'thunderstorm',
 	99: 'tornado'
 };
+
+export default weatherCodes;