New cpp folder structure

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

libs/routing/router.cpp

@@ -0,0 +1,38 @@
+#include "routing/router.hpp"
+
+namespace routing
+{
+std::string ToString(RouterType type)
+{
+  switch(type)
+  {
+  case RouterType::Vehicle: return "vehicle";
+  case RouterType::Pedestrian: return "pedestrian";
+  case RouterType::Bicycle: return "bicycle";
+  case RouterType::Transit: return "transit";
+  case RouterType::Ruler: return "ruler";
+  case RouterType::Count: return "count";
+  }
+  ASSERT(false, ());
+  return "Error";
+}
+
+RouterType FromString(std::string const & str)
+{
+  if (str == "vehicle")
+    return RouterType::Vehicle;
+  if (str == "pedestrian")
+    return RouterType::Pedestrian;
+  if (str == "bicycle")
+    return RouterType::Bicycle;
+  if (str == "transit")
+    return RouterType::Transit;
+  if (str == "ruler")
+    return RouterType::Ruler;
+
+  ASSERT(false, ("Incorrect routing string:", str));
+  return RouterType::Vehicle;
+}
+
+std::string DebugPrint(RouterType type) { return ToString(type); }
+} //  namespace routing