Ports: Add quake3 port :^)

Ports/quake3/patches/0002-Engine-Add-Serenity-so-q_platform.h.patch

@@ -0,0 +1,52 @@
+From a5f5bd1db818a315cf7da0211a20718f7879791e Mon Sep 17 00:00:00 2001
+From: Jesse Buhagiar <jooster669@gmail.com>
+Date: Fri, 25 Mar 2022 09:39:42 +1100
+Subject: [PATCH 2/8] Engine: Add Serenity so `q_platform.h`
+
+---
+ code/qcommon/q_platform.h | 29 +++++++++++++++++++++++++++++
+ 1 file changed, 29 insertions(+)
+
+diff --git a/code/qcommon/q_platform.h b/code/qcommon/q_platform.h
+index 72dbfe1d..3bd829d4 100644
+--- a/code/qcommon/q_platform.h
++++ b/code/qcommon/q_platform.h
+@@ -290,6 +290,35 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ 
+ #endif
+ 
++//=================================================================== SERENITY ===
++
++#if defined(__serenity__)
++
++#include <sys/types.h>
++
++#ifndef __serenity__
++  #define __serenity__
++#endif
++
++#define Q3_LITTLE_ENDIAN
++
++#define OS_STRING "serenity"
++
++#define ID_INLINE inline
++#define PATH_SEP '/'
++
++#ifdef __i386__
++#define ARCH_STRING "x86"
++#elif defined __amd64__
++#undef idx64
++#define idx64 1
++#define ARCH_STRING "x86_64"
++#endif
++
++#define DLL_EXT ".so"
++
++#endif
++
+ //================================================================== Q3VM ===
+ 
+ #ifdef Q3_VM
+-- 
+2.35.1
+