chore: 首次簽入 Thinkyu ASP.NET 專案

- 加入 Visual Studio / ASP.NET .gitignore
- 排除建置輸出、IDE 設定、NuGet packages、大型 MSI 安裝檔

BackupService/Global.asax.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Web;
+using System.Web.Security;
+using System.Web.SessionState;
+
+namespace BackupService
+{
+    public class Global : System.Web.HttpApplication
+    {
+
+        protected void Application_Start(object sender, EventArgs e)
+        {
+            string logPath = Server.MapPath("~/LOG");
+            Directory.CreateDirectory(logPath);
+            ErrorLogger.LogPath = logPath;
+        }
+
+        protected void Session_Start(object sender, EventArgs e)
+        {
+
+        }
+
+        protected void Application_BeginRequest(object sender, EventArgs e)
+        {
+
+        }
+
+        protected void Application_AuthenticateRequest(object sender, EventArgs e)
+        {
+
+        }
+
+
+        protected void Application_Error(object sender, EventArgs e)
+        {
+            ErrorLogger.WriteException(Server.GetLastError());
+            Server.ClearError();
+        }
+
+        protected void Session_End(object sender, EventArgs e)
+        {
+
+        }
+
+        protected void Application_End(object sender, EventArgs e)
+        {
+
+        }
+    }
+}