Google Cloud custom machine types

[martonsereg]

Google cloud offers creating custom machine types (and extended memory, custom GPUs), check out if we can add it to the product info responses.

[prekoa]

The cost of a custom machine depends on the cpu number and memory number. Cpu and memory prices are dependent on region, we can get prices from the API.

Custom machine type specification: https://cloud.google.com/compute/docs/instances/creating-instance-with-custom-machine-type#specifications

Max cpu number 96 (in one region max 64).
The name of a custom machine type: custom-{cpus}-{rams}
There are approximately 52k custom machine types per region