I often end up with multiple (like in many) flows in my NodeRED setup, making it a bit challenging navigating through flows. Typical I have 3-4 flows for a project that gets duplicated, generating more flows. I miss a visual grouping function, coloring flows function or similar, but at the same time produces a simple overview. What examples I should look for? It makes me consider dividing my projects up in multiple NR instances on the same server, but is this even possible?