变更详情摘要：

- 功能增强 ：
  - AliSslProvider.cs ：实现了从阿里云获取证书列表及删除过期证书的逻辑。
  - TencentSslProvider.cs ：增加了腾讯云过期证书的清理功能。
  - ISslDownloadProvider.cs ：扩展了接口协议，并丰富了 SslCertificate 模型属性。
- 任务调度 ：
  - Program.cs ：集成了 SslDownloadJob 到 Quartz 框架中，支持自动化运行。
- 文档与规范 ：
  - 对项目关键入口和 Provider 进行了全面的代码注释补全。

Hua.DDNS.Test/appsettings.Development.json

@@ -0,0 +1,66 @@
+{
+  "ConnectionStrings": {
+    "pgConnection": "Host=127.0.0.1;Port=5432;Database=Worker;Username=Worker;Password=123456;"
+  },
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "App": {
+    "GetIpv4Url": "http://47.108.74.59:8001/api/NetWork/GetIp",
+    "AppJob": {
+      "Corn": "0/5 * * * * ?" //https://cron.qqe2.com/
+    }
+  },
+  "DDNS": {
+    "Platform": 2, //1 Ali 2 Tencent 3 Namesilo
+    // 主域名
+    "Domain": "we965.cn",
+    // 子域名前缀
+    "SubDomainArray": [ "mp", "git", "webutil", "dev", "sftp" ],
+    // 记录类型
+    "type": "A",
+    //间隔时间 秒
+    "time": "30"
+  },
+  "SslDownload": {
+    "Enabled": true,
+    "Corn": "0/5 * * * * ?", //https://cron.qqe2.com/
+    "Platform": 2,
+    "SavePath": "D:\\Paths\\ssl",
+    "ExpireDays": 5,
+    "DownloadItems": [
+      {
+        "Domain": "git.we965.cn",
+        "FileName": "git.we965.cn.pem"
+      },
+      {
+        "Domain": "webutil.we965.cn",
+        "FileName": "webutil.we965.cn.pem"
+      },
+      {
+        "Domain": "dev.we965.cn",
+        "FileName": "dev.we965.cn.pem"
+      }
+    ]
+  },
+  "TencentCloud": {
+    "SecretId": "AKIDy35008NYm6T1v3R3gGtU1UIHOe0NizON",
+    "SecretKey": "1sXQmASfmmlwAXuDh8fVYUOLI7mJagbQ",
+    "Region": "ap-guangzhou",
+    "Dnspod": {
+      "Endpoint": "dnspod.tencentcloudapi.com"
+    }
+  },
+  "AliCloud": {
+    "AccessKeyId": "1111",
+    "AccessKeySecret": "1111",
+    "RegionId": "cn-hangzhou",
+    "Endpoint": "1111"
+  },
+  "Namesilo": {
+    "ApiKey": "1111"
+  }
+}