feat: Add Europe/Bucharest and expand timezone options, update DTOs for timezone and time format

maternal-app/maternal-app-backend/src/modules/auth/dto/update-profile.dto.ts

@@ -14,6 +14,10 @@ export class UserPreferencesDto {
   @IsOptional()
   @IsIn(['metric', 'imperial'])
   measurementUnit?: 'metric' | 'imperial';
+
+  @IsOptional()
+  @IsIn(['12h', '24h'])
+  timeFormat?: '12h' | '24h';
 }
 
 export class UpdateProfileDto {
@@ -25,6 +29,10 @@ export class UpdateProfileDto {
   @IsString()
   locale?: string;
 
+  @IsOptional()
+  @IsString()
+  timezone?: string;
+
   @IsOptional()
   @IsObject()
   @ValidateNested()

maternal-web/components/settings/TimeZoneSelector.tsx

@@ -40,7 +40,18 @@ const TIMEZONES = {
     { value: 'Europe/Brussels', label: 'Brussels' },
     { value: 'Europe/Vienna', label: 'Vienna' },
     { value: 'Europe/Athens', label: 'Athens' },
+    { value: 'Europe/Bucharest', label: 'Bucharest' },
+    { value: 'Europe/Budapest', label: 'Budapest' },
+    { value: 'Europe/Warsaw', label: 'Warsaw' },
+    { value: 'Europe/Prague', label: 'Prague' },
+    { value: 'Europe/Stockholm', label: 'Stockholm' },
+    { value: 'Europe/Copenhagen', label: 'Copenhagen' },
+    { value: 'Europe/Oslo', label: 'Oslo' },
+    { value: 'Europe/Helsinki', label: 'Helsinki' },
+    { value: 'Europe/Dublin', label: 'Dublin' },
+    { value: 'Europe/Lisbon', label: 'Lisbon' },
     { value: 'Europe/Moscow', label: 'Moscow' },
+    { value: 'Europe/Istanbul', label: 'Istanbul' },
   ],
   'Asia': [
     { value: 'Asia/Dubai', label: 'Dubai' },