New cpp folder structure

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

libs/map/benchmark_tool/api.hpp

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace bench
+{
+  class Result
+  {
+  public:
+    void Add(double t)
+    {
+      m_time.push_back(t);
+    }
+
+    void Add(Result const & r)
+    {
+      m_time.insert(m_time.end(), r.m_time.begin(), r.m_time.end());
+    }
+
+    void PrintAllTimes();
+    void CalcMetrics();
+
+    double m_all = 0.0;
+    double m_max = 0.0;
+    double m_avg = 0.0;
+    double m_med = 0.0;
+
+  private:
+    std::vector<double> m_time;
+  };
+
+  class AllResult
+  {
+  public:
+    AllResult() = default;
+
+    void Add(double t) { m_all += t; }
+    void Print();
+
+    Result m_reading;
+    double m_all = 0.0;
+  };
+
+  /// @param[in] count number of times to run benchmark
+  void RunFeaturesLoadingBenchmark(std::string filePath, std::pair<int, int> scaleR, AllResult & res);
+}  // namespace bench