feat (wip): refactor of main func into actual organized classes

vtk/src/helperClasses/EGlyphLayer.cpp

@@ -0,0 +1,8 @@
+#include "EGlyphLayer.h"
+
+
+EGlyphLayer::EGlyphLayer() {
+  this->ren = vtkSmartPointer<vtkRenderer>::New();
+  this->ren->SetLayer(1);
+  this->ren->InteractiveOff();
+}