refactor(services): split services into separate folders and update namespaces

Services/Storage/StorageProviderAttribute.cs

@@ -0,0 +1,33 @@
+using Foxel.Models.DataBase;
+
+namespace Foxel.Services.Attributes;
+
+public enum StorageType
+{
+    Local = 0,
+    Telegram = 1,
+    S3 = 2,
+    Cos = 3,
+}
+
+
+/// <summary>
+/// 标记存储提供者类的特性
+/// </summary>
+[AttributeUsage(AttributeTargets.Class)]
+public class StorageProviderAttribute : Attribute
+{
+    /// <summary>
+    /// 存储类型
+    /// </summary>
+    public StorageType StorageType { get; }
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="storageType">存储类型</param>
+    public StorageProviderAttribute(StorageType storageType)
+    {
+        StorageType = storageType;
+    }
+}