feat:browse bloc done

lib/core/services/storage_service.dart

@@ -12,6 +12,16 @@ class StorageService {
     _sharedPreference.setString(key, value);
   }
 
+  void setStringList({required String key, required String value}) {
+    final oldList = _sharedPreference.getStringList(key);
+    final newList = oldList?..add(value);
+    _sharedPreference.setStringList(key, newList ?? []);
+  }
+
+  List<String> getStringList({required String key}) {
+    return _sharedPreference.getStringList(key) ?? [];
+  }
+
   String? getString({required String key}) {
     return _sharedPreference.getString(key);
   }