New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/base/random.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <limits>
+#include <random>
+
+namespace base
+{
+template <class T> class UniformRandom
+{
+  static_assert(std::is_integral<T>::value);
+
+  std::random_device m_rd;
+  std::mt19937 m_gen;
+  std::uniform_int_distribution<T> m_distr;
+
+public:
+  UniformRandom(T min, T max) : m_gen(m_rd()), m_distr(min, max) {}
+  UniformRandom() : UniformRandom(std::numeric_limits<T>::min(), std::numeric_limits<T>::max()) {}
+
+  T operator()() { return m_distr(m_gen); }
+};
+} // namespace base