New cpp folder structure

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

libs/routing/routing_quality/api/mapbox/mapbox_api.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "routing/routing_quality/api/api.hpp"
+
+#include "routing/routing_quality/api/mapbox/types.hpp"
+
+
+#include <cstdint>
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace routing_quality
+{
+namespace api
+{
+namespace mapbox
+{
+class MapboxApi : public RoutingApi
+{
+public:
+  explicit MapboxApi(std::string const & token);
+
+  // According to:
+  // https://docs.mapbox.com/api/navigation/#directions-api-restrictions-and-limits
+  static uint32_t constexpr kMaxRPS = 5;
+  static std::string const kApiName;
+
+  // RoutingApi overrides:
+  // @{
+  Response CalculateRoute(Params const & params, int32_t /* startTimeZoneUTC */) const override;
+  // @}
+
+private:
+  MapboxResponse MakeRequest(Params const & params) const;
+  std::string GetDirectionsURL(Params const & params) const;
+};
+}  // namespace mapbox
+}  // namespace api
+}  // namespace routing_quality