Updated translation service and finished splitting out responsibilities for now

FictionArchive.Common/Extensions/HostApplicationBuilderExtensions.cs

@@ -0,0 +1,13 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+
+namespace FictionArchive.Common.Extensions;
+
+public static class HostApplicationBuilderExtensions
+{
+    public static IHostApplicationBuilder AddLocalAppsettings(this IHostApplicationBuilder builder)
+    {
+        builder.Configuration.AddJsonFile("appsettings.Local.json", true, true);
+        return builder;
+    }
+}