Moving corlib files out of "System" directory into root

BeefLibs/corlib/src/IComparable.bf

@@ -0,0 +1,83 @@
+namespace System
+{
+	interface IComparable<T>
+	{
+		int32 CompareTo(T other);
+	}
+
+	public interface IComparer<T>
+	{
+	    int Compare(T x, T y);
+	}
+
+	public class CompareWrapper<T> : IComparer<T> where T : IOpComparable
+	{
+		public int Compare(T x, T y)
+		{
+			return x <=> y;
+		}
+	}
+
+	interface IInteger
+	{
+	}
+
+	interface IUnsigned
+	{
+
+	}
+
+	interface ISigned
+	{
+
+	}
+
+	interface IFloating
+	{
+	}
+
+	interface IOpEquals
+	{
+		public static bool operator==(Self val1, Self val2);
+	}
+
+	interface IOpEquals<T>
+	{
+		public static bool operator==(Self val1, T val2);
+	}
+
+	interface IOpComparable
+	{
+		static int operator<=>(Self lhs, Self rhs);
+	}
+
+	interface IOpAddable
+	{
+		static Self operator+(Self lhs, Self rhs);
+	}
+
+	interface IOpNegatable
+	{
+		static Self operator-(Self value);
+	}
+
+	interface IOpConvertibleTo<T>
+	{
+		static operator T(Self value);
+	}
+
+	interface IOpConvertibleFrom<T>
+	{
+		static operator Self(T value);
+	}
+
+	interface IIsNaN
+	{
+		bool IsNaN { get; }
+	}
+
+	interface ICanBeNaN : IIsNaN
+	{
+		
+	}
+}