Create basic file structure for Arc4 implementation

Chaos/Cipher/Arc4.hpp

@@ -0,0 +1,9 @@
+#ifndef CHAOS_CIPHER_ARC4_HPP
+#define CHAOS_CIPHER_ARC4_HPP
+
+namespace Chaos::Cipher::Arc4
+{
+
+} // namespace Chaos::Cipher::Arc4
+
+#endif

ChaosTests/Cipher/Arc4Tests.cpp

@@ -0,0 +1,5 @@
+#include <gtest/gtest.h>
+
+#include "Cipher/Arc4.hpp"
+
+using namespace Chaos::Cipher::Arc4;