Starter base level 2 - mall, red and green science

Next step on starter base, once you have minimum production of basic items (belts, inserters, assemblers). If you want to see a way to set it up, have a look here : https://www.youtube.com/watch?v=Ak5LVZE_NTU&list=PLY2fzETxbjZo5BSiVGGZVSuzFS9kyIcOI&index=3