Lots of data and model setup

DCGEngine.Database/Configuration/DCGEDatabaseConfiguration.cs

@@ -18,13 +18,13 @@ public class DCGEDatabaseConfiguration
     #endregion
 
     #region Manual Configuration
-    
+
     /// <summary>
     /// Assemblies to be searched for classes implementing <see cref="BaseEntity{TKey}"/> to be added as <see cref="DbSet{TEntity}"/>s. Should be set in code, not in appsettings.
     /// </summary>
-    public List<Assembly> DbSetSearchAssemblies { get; set; }
+    public List<Assembly> DbSetSearchAssemblies { get; set; } = new List<Assembly>();
 
     #endregion
-    
+
 
 }