Add ZoneWriting basis

src/ZoneWriting/Writing/InMemoryZoneData.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+
+class InMemoryZoneData
+{
+    static constexpr size_t BUFFER_SIZE = 0x10000;
+
+public:
+    class MemoryBuffer
+    {
+    public:
+        std::unique_ptr<char[]> m_data;
+        size_t m_size;
+
+        explicit MemoryBuffer(size_t size);
+    };
+
+    int64_t m_total_size;
+    std::vector<MemoryBuffer> m_buffers;
+
+    InMemoryZoneData();
+    void* GetBufferOfSize(size_t size);
+};