feat(DependencyInjection): Add MediatR and configure dependency injection

src/DigitalData.ActiveDirectory/DependencyInjection.cs

@@ -0,0 +1,35 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DigitalData.ActiveDirectory;
+
+public static class DependencyInjection
+{
+    public static IServiceCollection AddActiveDirectory(this IServiceCollection services, Action<ADConfigurationOptions>? options = null)
+    {
+        var cOptions = new ADConfigurationOptions();
+        options?.Invoke(cOptions);
+
+        services.AddMediatR(cfg =>
+        {
+            cfg.RegisterServicesFromAssemblies(typeof(DependencyInjection).Assembly);
+            cfg.LicenseKey = cOptions.MediatRLicense;
+        });
+
+        if (cOptions.Configuration is null)
+            services.Configure<ActiveDirectoryOptions>(o => o = cOptions);
+        else
+            services.Configure<ActiveDirectoryOptions>(cOptions.Configuration);
+
+        return services;
+    }
+
+    public class ADConfigurationOptions : ActiveDirectoryOptions
+    {
+        internal ADConfigurationOptions() { }
+
+        public string? MediatRLicense { get; set; }
+
+        public IConfiguration? Configuration { get; set; }
+    }
+}

src/DigitalData.ActiveDirectory/DigitalData.ActiveDirectory.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
     <PackageReference Include="System.DirectoryServices.AccountManagement" Version="7.0.1" />
+    <PackageReference Include="MediatR" Version="13.0.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">