load ply file can't find normal and color information

[guyuezuntinggithub]

Hi guys! Thanks for great work!
When I use Geogram to read a PLY file, I can't clearly see the information about normals and colors in the mesh.vertices in debug mode.
any reply will be very appreciate！

[BrunoLevy]

Hello !
In geogram, when loading a PLY file:

• Color information is loaded into vertex and/or facet attributes
• Vertex normals are not loaded
  More information on Mesh attributes here