feat: Initialize Zastava Webhook service with TLS and Authority authentication

- Added Program.cs to set up the web application with Serilog for logging, health check endpoints, and a placeholder admission endpoint.
- Configured Kestrel server to use TLS 1.3 and handle client certificates appropriately.
- Created StellaOps.Zastava.Webhook.csproj with necessary dependencies including Serilog and Polly.
- Documented tasks in TASKS.md for the Zastava Webhook project, outlining current work and exit criteria for each task.

out/tmp-cdx/Program.cs

@@ -0,0 +1,6 @@
+using System;
+using CycloneDX.Models;
+
+var dependenciesProperty = typeof(Dependency).GetProperty("Dependencies")!;
+Console.WriteLine(dependenciesProperty.PropertyType);
+Console.WriteLine(dependenciesProperty.PropertyType.GenericTypeArguments[0]);