first commit

include/TessesFramework/Streams/MemoryStream.hpp

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+#pragma once
+#include "Stream.hpp"
+namespace Tesses::Framework::Streams
+{
+    class MemoryStream : public Stream {
+        std::vector<uint8_t> buffer;
+        size_t offset;
+        bool writable;
+        public:
+            MemoryStream(bool isWritable);
+            std::vector<uint8_t>& GetBuffer();
+            size_t Read(uint8_t* buff, size_t sz);
+            size_t Write(const uint8_t* buff, size_t sz);
+            bool CanRead();
+            bool CanWrite();
+            bool CanSeek();
+            int64_t GetLength();
+            int64_t GetPosition();
+            void Seek(int64_t pos, SeekOrigin whence);
+        
+    };
+}