public async Task SetSettingAsync(string key, string value)
 {
     await _table.InsertOrMergeAsync(new AppSettingEntity
     {
         PartitionKey = AppSettingEntity.GeneratePartitionKey(),
         RowKey       = key,
         Value        = value
     });
 }
        public async Task <string> GetSettingAsync(string key)
        {
            var entity = await _table.GetDataAsync(AppSettingEntity.GeneratePartitionKey(), key);

            return(entity?.Value);
        }