fix: invalid PB URL variable

Signed-off-by: Robert Goniszewski <robertgoniszewski@outlook.com>

src/lib/pb.ts

@@ -8,7 +8,7 @@ import config from './config';
 import type { RecordModel } from 'pocketbase';
 import type { User } from './types/User.type';
 import type { UserSettings } from './types/UserSettings.type';
-export const pb = new PocketBase(config.BACKEND_URL);
+export const pb = new PocketBase(config.POCKETBASE_URL);
 
 export const user = writable(
 	pb.authStore as BaseAuthStore & {