[BOOT:MM] Begin work on memory manager

BOOT/ENVIRON/INC/mm.h

@@ -0,0 +1,27 @@
+/*++
+
+Copyright (c) 2024, Quinn Stephens.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   mm.h
+
+Abstract:
+
+   Boot memory manager definitions.
+
+--*/
+
+#ifndef _MM_H
+#define _MM_H
+
+#include "bootlib.h"
+
+NTSTATUS
+MmPaInitialize (
+    IN PBOOT_MEMORY_INFO MemoryInfo,
+    IN ULONG MinimumAllocation
+    );
+
+#endif