Moved CPUAccessFlags and Usage to seperate file

GlitchyEngine/src/Renderer/CPUAccessFlags.bf

@@ -0,0 +1,16 @@
+namespace GlitchyEngine.Renderer
+{
+	/**
+	 * Defines how the CPU can access a resource.
+	 */
+	public enum CPUAccessFlags
+	{
+		/// The CPU has no access to the resource.
+		None = 0,
+		/// The CPU has read access to the resource.
+		Read = 1,
+		/// The CPU has write access to the resource.
+		Write = 2
+	}
+
+}