chore: initial commit of TaskTracker project

Existing ASP.NET API with vanilla JS SPA, WindowWatcher, Chrome extension, and MCP server.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

TaskTracker.MCP/Program.cs

@@ -0,0 +1,17 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+var builder = Host.CreateApplicationBuilder(args);
+
+var apiBaseUrl = Environment.GetEnvironmentVariable("API_BASE_URL") ?? "http://localhost:5200";
+
+builder.Services.AddSingleton(_ => new HttpClient
+{
+    BaseAddress = new Uri(apiBaseUrl)
+});
+
+builder.Services.AddMcpServer()
+    .WithStdioServerTransport()
+    .WithToolsFromAssembly();
+
+await builder.Build().RunAsync();