Initial import of Red Planet v4.10 Win32 source

Imports the current Win32 source for the pod-racing game 'Red Planet',
built on the MUNGA engine and its L4 (Win32/DirectX) platform layer:

- MUNGA / MUNGA_L4: cross-platform engine core and Win32 backend
- RP / RP_L4: Red Planet game logic and Win32 application
- DivLoader, Setup1: asset loader and installer project
- lib, MUNGA_L4/openal, MUNGA_L4/sos: third-party audio dependencies

Removed stale Subversion metadata and added .gitignore/.gitattributes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

MUNGA/TIMESTUB.cpp

@@ -0,0 +1,44 @@
+#include "munga.h"
+#pragma hdrstop
+
+#include "time.h"
+
+//#############################################################################
+//###########################    System Clock    ##############################
+//#############################################################################
+//
+SystemClock SystemClock::timer;
+long SystemClock::ticksPerSecond = 1000;
+
+long SystemClock::GetRTC()
+{
+	static long time=0L;
+	return time++;
+}
+
+double SystemClock::GetHiRes()
+{
+   static __int64 time = 0;
+   return (double)time++;
+}
+
+__int64 SystemClock::GetHiResTicks()
+{
+	static __int64 time = 0;
+	return time++;
+}
+
+SystemClock::SystemClock()
+{
+	pauseStart = 0L;
+	pauseTime = 0L;
+}
+
+void SystemClock::Shutdown()
+{
+}
+
+float Get_Frame_Percent_Used()
+{
+	return 0.5f;
+}