class_docstr: Add to Meshdata class the capability to export good data for gloo 
code: def __init__(
      self,
      vertices=None,
      faces=None,
      edges=None,
      vertex_colors=None,
      face_colors=None,
  ):
      md.MeshData.__init__(
          self,
          vertices=None,
          faces=None,
          edges=None,
          vertex_colors=None,
          face_colors=None,
      )
  
imports: from PyQt5 import QtCore, QtWidgets
  import sys
  import numpy
  from vispy import app, gloo
  from vispy.util.transforms import perspective, translate, rotate
  from vispy.geometry import meshdata
  from vispy.geometry import generation
label_desc: Use image node_id 1 to create a new MyMeshData object from inherited base classes: md with example: obj = MyMeshData(vertices, faces, edges, vertex_colors, face_colors)