Restructure solution layout by module

src/SbomService/StellaOps.SbomService/Program.cs

@@ -0,0 +1,17 @@
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Configuration
+    .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
+    .AddEnvironmentVariables("SBOM_");
+
+builder.Services.AddOptions();
+builder.Services.AddLogging();
+
+// TODO: register SBOM projection services, repositories, and Authority integration.
+
+var app = builder.Build();
+
+app.MapGet("/healthz", () => Results.Ok(new { status = "ok" }));
+app.MapGet("/readyz", () => Results.Ok(new { status = "warming" }));
+
+app.Run();