perf: Drastically Improved Memory Usage

TIL, records are not value types and are actually just reference types. So I was pretty much allocating from heap every time I used any of my data types (Like Vector2D). Needless to say, they are all now readonly structs as I originally intended them to be.

Engine.Core/EngineTime.cs

@@ -2,8 +2,8 @@ using System;
 
 namespace Syntriax.Engine.Core;
 
-public record EngineTime
-(
-    TimeSpan Total,
-    TimeSpan Elapsed
-);
+public readonly struct EngineTime(TimeSpan Total, TimeSpan Elapsed)
+{
+    public readonly TimeSpan Total { get; init; } = Total;
+    public readonly TimeSpan Elapsed { get; init; } = Elapsed;
+}