New cpp folder structure

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

libs/drape_frontend/animation_utils.cpp

@@ -0,0 +1,15 @@
+#include "drape_frontend/animation_utils.hpp"
+#include "drape_frontend/animation_constants.hpp"
+#include "drape_frontend/visual_params.hpp"
+
+#include "indexer/scales.hpp"
+
+namespace df
+{
+
+bool IsAnimationAllowed(double duration, ScreenBase const & screen)
+{
+  return duration > 0.0 && duration <= kMaxAnimationTimeSec;
+}
+
+} // namespace df