feat: split syscalls into files, change max process ceiling

kernel/src/Api/MemInfo.hpp

@@ -0,0 +1,18 @@
+/*
+    * MemInfo.hpp
+    * SYS_MEMSTATS syscall
+    * Copyright (c) 2026 Daniel Hammer
+*/
+
+#pragma once
+#include <Memory/PageFrameAllocator.hpp>
+
+#include "Syscall.hpp"
+
+namespace Zenith {
+
+    static void Sys_MemStats(MemStats* out) {
+        if (out == nullptr) return;
+        Memory::g_pfa->GetStats(out);
+    }
+};