Relocated AABB and Ray in Collision.h to their own files. Started implementation on OctTree.

src/Engine/Core/AABB.cpp

@@ -0,0 +1,11 @@
+#include "Core/AABB.h"
+
+AABB::AABB(const glm::vec3& minPos, const glm::vec3& maxPos)
+    : m_MinCorner(minPos)
+    , m_MaxCorner(maxPos)
+    , m_Center(0.5f * (maxPos + minPos))
+    , m_HalfSize(0.5f * (maxPos - minPos))
+{}
+
+AABB::~AABB()
+{}