fix: Include SailthruSettings through DI

Author: Antaris

Directory.Build.props

@@ -1,3 +1,7 @@
 <Project>
 	<Import Project="./build/build.props" />
+
+	<PropertyGroup>
+		<MinVerMinimumMajorMinor>0.3</MinVerMinimumMajorMinor>
+	</PropertyGroup>
 </Project>

libs/SailthruSDK.Extensions.DependencyInjection/ServiceCollectionExtensions.cs

@@ -70,6 +70,7 @@ public static IServiceCollection AddSailthru(
 			Ensure.IsNotNull(configuration, nameof(configuration));
 
 			services.Configure<SailthruSettings>(configuration.GetSection(SailthruSettings.ConfigurationSection));
+			services.AddSingleton(sp => sp.GetRequiredService<IOptions<SailthruSettings>>().Value);
 
 			AddCoreServices(services);