New cpp folder structure

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

libs/search/geometry_utils.cpp

@@ -0,0 +1,18 @@
+#include "search/geometry_utils.hpp"
+
+#include "indexer/scales.hpp"
+
+#include "geometry/mercator.hpp"
+
+namespace search
+{
+double PointDistance(m2::PointD const & a, m2::PointD const & b)
+{
+  return mercator::DistanceOnEarth(a, b);
+}
+
+bool IsEqualMercator(m2::RectD const & r1, m2::RectD const & r2, double eps)
+{
+  return m2::IsEqual(r1, r2, eps, eps);
+}
+}  // namespace search