selectable suggestion provider

app/lib/features/search/domain/entities/abstract/i_search_suggestion_provider.dart

@@ -1,5 +1,17 @@
 import 'package:exceptions/exceptions.dart';
 
+enum SearchSuggestionProviders {
+  brave('Brave', 'brave'),
+  ddg('DuckDuckGo', 'ddg'),
+  kagi('Kagi', 'kagi'),
+  qwant('Qwant', 'qwant');
+
+  final String label;
+  final String relatedBang;
+
+  const SearchSuggestionProviders(this.label, this.relatedBang);
+}
+
 abstract interface class ISearchSuggestionProvider {
   Future<Result<List<String>>> getSuggestions(String query);
 }