[PM-21075] Initial database seeder (#5703)

Adds a database seeder which can be used standalone using a CLI for seeding your local development environment, or used in unit tests to seed complex scenarios.

---------

Co-authored-by: Robert Y <rkac@bitwarden.com>

util/DbSeederUtility/ServiceCollectionExtension.cs

@@ -0,0 +1,25 @@
+using Bit.SharedWeb.Utilities;
+using Microsoft.AspNetCore.DataProtection;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+
+namespace Bit.DbSeederUtility;
+
+public static class ServiceCollectionExtension
+{
+    public static void ConfigureServices(ServiceCollection services)
+    {
+        // Load configuration using the GlobalSettingsFactory
+        var globalSettings = GlobalSettingsFactory.GlobalSettings;
+
+        // Register services
+        services.AddLogging(builder => builder.AddConsole());
+        services.AddSingleton(globalSettings);
+
+        // Add Data Protection services
+        services.AddDataProtection()
+            .SetApplicationName("Bitwarden");
+
+        services.AddDatabaseRepositories(globalSettings);
+    }
+}