Web: Temporarily enable background indexing mode

Author: kennethmyhra

src/Spark.Web/Startup.cs

@@ -46,6 +46,7 @@ public void ConfigureServices(IServiceCollection services)
 
         // Bind to Spark and store settings from appSettings.json
         SparkSettings sparkSettings = new SparkSettings();
+        sparkSettings.IndexingMode = IndexingMode.Background;
         Configuration.Bind("SparkSettings", sparkSettings);
         services.AddSingleton<SparkSettings>(sparkSettings);