Cleaned up the startup sequence.

Moonlight.ApiServer/Helpers/DatabaseContextCollection.cs

@@ -0,0 +1,17 @@
+using System.Collections;
+
+namespace Moonlight.ApiServer.Helpers;
+
+public class DatabaseContextCollection : IEnumerable<Type>
+{
+    private readonly List<Type> Types = new();
+
+    public IEnumerator<Type> GetEnumerator() => Types.GetEnumerator();
+    IEnumerator IEnumerable.GetEnumerator() => Types.GetEnumerator();
+
+    public void Add<T>() where T : DatabaseContext
+        => Types.Add(typeof(T));
+
+    public void Remove(Type type) => Types.Remove(type);
+    public void Remove<T>() where T : DatabaseContext => Remove(typeof(T));
+}