add interfaces for backup

FlowerShop/FlowerShopContracts/BindingModels/BackUpSaveBindingModel.cs

@@ -0,0 +1,7 @@
+namespace FlowerShopContracts.BindingModels
+{
+	public class BackUpSaveBinidngModel
+	{
+		public string FolderName { get; set; } = string.Empty;
+	}
+}

FlowerShop/FlowerShopContracts/BusinessLogicsContracts/IBackUpLogic.cs

@@ -0,0 +1,10 @@
+using FlowerShopContracts.BindingModels;
+
+namespace FlowerShopContracts.BusinessLogicsContracts
+{
+	public interface IBackUpLogic
+	{
+			void CreateBackUp(BackUpSaveBinidngModel model);
+	}
+
+}

FlowerShop/FlowerShopContracts/StoragesContracts/IBackUpInfo.cs

@@ -0,0 +1,9 @@
+namespace FlowerShopContracts.StoragesContracts
+{
+	public interface IBackUpInfo
+	{
+		List<T>? GetList<T>() where T : class, new();
+		Type? GetTypeByModelInterface(string modelInterfaceName);
+	}
+
+}