Create service to populate Imdb data collection within mongo

We can use this collection as an alternative source to lookup imdb ids, which would be executed before name_to_imdb is called in the consumer.

src/metadata/Extensions/ServiceCollectionExtensions.cs

@@ -0,0 +1,30 @@
+namespace Metadata.Extensions;
+
+public static class ServiceCollectionExtensions
+{
+    internal static IServiceCollection AddHttpClients(this IServiceCollection services)
+    {
+        services.AddHttpClient(HttpClients.ImdbDataClientName, client => client.BaseAddress = new(HttpClients.ImdbClientBaseAddress));
+
+        return services;
+    }
+    
+    internal static IServiceCollection AddMongoDb(this IServiceCollection services)
+    {
+        services.LoadConfigurationFromEnv<MongoConfiguration>();
+        services.AddTransient<ImdbMongoDbService>();
+        
+        return services;
+    }
+    
+    internal static IServiceCollection AddJobSupport(this IServiceCollection services)
+    {
+        services.LoadConfigurationFromEnv<JobConfiguration>();
+
+        services.AddScheduler()
+            .AddTransient<DownloadImdbDataJob>()
+            .AddHostedService<JobScheduler>();
+        
+        return services;
+    }
+}