started working on version_list replacement for atom

mvcc/version_list.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "threading/sync/lockable.hpp"
+#include "transactions/transaction.hpp"
+
+#include "memory/lazy_gc.hpp"
+
+namespace mvcc
+{
+
+template <class T>
+class VersionList : Lockable<SpinLock>, LazyGC<VersionList<T>>
+{
+public:
+    class Accessor
+    {
+
+    };
+
+    VersionList() = default;
+
+private:
+    std::atomic<T*> head;
+
+    void vacuum()
+    {
+
+    }
+};
+
+}