feat: Find & FindRequired for general type search

Engine.Core/Exceptions/BehaviourNotFoundException.cs

@@ -1,9 +1,3 @@
-using System;
-
 namespace Syntriax.Engine.Core.Exceptions;
 
-public class BehaviourNotFoundException(string? message) : Exception(message)
-{
-    public static NotAssignedException FromType<TBehaviour>()
-        => new($"{typeof(TBehaviour).FullName} was not found");
-}
+public class BehaviourNotFoundException(string? message) : NotFoundException(message);

Engine.Core/Exceptions/NotFoundException.cs

@@ -0,0 +1,9 @@
+using System;
+
+namespace Syntriax.Engine.Core.Exceptions;
+
+public class NotFoundException(string? message) : Exception(message)
+{
+    public static NotAssignedException FromType<T>()
+        => new($"{typeof(T).FullName} was not found");
+}

Engine.Core/Exceptions/UniverseObjectNotFoundException.cs

@@ -1,9 +1,3 @@
-using System;
-
 namespace Syntriax.Engine.Core.Exceptions;
 
-public class UniverseObjectNotFoundException(string? message) : Exception(message)
-{
-    public static NotAssignedException FromType<TUniverseObject>()
-        => new($"{typeof(TUniverseObject).FullName} was not found");
-}
+public class UniverseObjectNotFoundException(string? message) : NotFoundException(message);