Design and implement logic of vertical scaling in Skenario

[juliababkina]

Now Skenario is HPA oriented. After having implemented #85 and #87 we should add vertical scaling logic in Skenario.

[josephburnett]

Can you provide a link to the VPA design document?

[juliababkina]

link to the VPA design document https://docs.google.com/document/d/1bD6q32JrqPetZniOe-VMYkm29Hh8-WhNEyCIOipD3TY/edit#heading=h.2xsz507qxm73