Moves PE headers file to omath directory

Organizes the project by relocating the PE headers file to the omath directory structure.
This improves code organization and maintainability.

source/system/pe_headers_x64.hpp

@@ -1,32 +0,0 @@
-//
-// Created by Vlad on 10/6/2025.
-//
-
-#pragma once
-#include <cstdint>
-namespace omath::system
-{
-    struct ImageDosHeader
-    {
-        uint16_t e_magic; // Magic number
-        uint16_t e_cblp; // Bytes on last page of file
-        uint16_t e_cp; // Pages in file
-        uint16_t e_crlc; // Relocations
-        uint16_t e_cparhdr; // Size of header in paragraphs
-        uint16_t e_minalloc; // Minimum extra paragraphs needed
-        uint16_t e_maxalloc; // Maximum extra paragraphs needed
-        uint16_t e_ss; // Initial (relative) SS value
-        uint16_t e_sp; // Initial SP value
-        uint16_t e_csum; // Checksum
-        uint16_t e_ip; // Initial IP value
-        uint16_t e_cs; // Initial (relative) CS value
-        uint16_t e_lfarlc; // File address of relocation table
-        uint16_t e_ovno; // Overlay number
-        uint16_t e_res[4]; // Reserved words
-        uint16_t e_oemid; // OEM identifier (for e_oeminfo)
-        uint16_t e_oeminfo; // OEM information; e_oemid specific
-        uint16_t e_res2[10]; // Reserved words
-        int32_t e_lfanew; // File address of new exe header
-    };
-
-} // namespace omath::system