Parameters combiner

It would be possible to combine parameters into groups to make the node editor much cleaner. For example, if we are working with PBR materials and want to blend them using a mask. We have several textures that describe the material (albedo, metallicity, normals, etc.), but we essentially blend the entire material. Now the process looks like this, we create a group of nodes and generate an output for each texture. Next, we need to connect the outputs and the corresponding inputs if there are more than two materials. And it will look awfully confusing in the editor. But if we group the outputs, we can only connect them with one wire. This is also true for the gemetric node editor.