Rename ServiceCollectionExtensions to DependencyInjection

Renamed the ServiceCollectionExtensions class to DependencyInjection to better reflect its purpose and possibly consolidate dependency injection methods. No functional changes were made.

EnvelopeGenerator.ServiceHost/Extensions/DependencyInjection.cs

@@ -0,0 +1,39 @@
+using DigitalData.Modules.Database;
+using EnvelopeGenerator.ServiceHost.Jobs;
+using EnvelopeGenerator.ServiceHost.Jobs.FinalizeDocument;
+using GdPicture14;
+using Microsoft.Extensions.Options;
+
+namespace EnvelopeGenerator.ServiceHost.Extensions;
+
+public static class DependencyInjection
+{
+    [Obsolete("Check obsoleted services")]
+    public static IServiceCollection AddFinalizeDocumentJob(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.Configure<WorkerOptions>(configuration.GetSection(nameof(WorkerOptions)));
+        services.AddSingleton<FinalizeDocumentJob>();
+        services.AddScoped<ActionService>();
+        services.AddSingleton<TempFiles>();
+        services.AddScoped<PDFBurner>();
+        services.AddScoped<PDFMerger>();
+        services.AddScoped<ReportModel>();
+        services.AddSingleton<State>();
+        services.AddScoped<MSSQLServer>();
+
+        services.AddSingleton<DbConfig>(_ => throw new NotImplementedException());
+
+        //TODO: Check lifetime of services. They might be singeton.
+        services.AddTransient<GdViewer>();
+        // Add LicenseManager
+        services.AddTransient(provider =>
+        {
+            var options = provider.GetRequiredService<IOptions<WorkerOptions>>().Value;
+            var licenseManager = new LicenseManager();
+            licenseManager.RegisterKEY(options.GdPictureLicenseKey);
+            return licenseManager;
+        });
+
+        return services;
+    }
+}