I don't know how to create 2 different Vcc.
Just call them different values on the PCB. Anyway you shouldn't be making a PCB as a first prototype you will get it wrong even professionals get it wrong on the first shot. You should prototype stuff on strip board. Then you can correct your mistakes, it's hard to correct mistakes on a PCB. Only go to a PCB when you have a stable design and want several of them or you have a chip that needs a PCB to mount it on, like a BGA package.
Capacitors should be placed as close to the chips as possible. The best is to use one (or a pair) on every chip. The effects of not having enough is unexpected or intermittent operation. However it is a bit of a black art knowing what you can get away with 10uF and 0.1uF are start but I prefer 47uF on the supply and 0.1uF on every other IC unless it is switching a lot of current, then I put a 47uF on that as well.