Show cpu reservation, along with cpu shares

[grayaii]

It would be nice if c3vis showed CPU reservation (this is not the same as CPU share reservation).

For instance, CPU share reservation (which is a number between 0 and 1024), CPU reservation can be between 0 and 10240 (10x more):

Here is an example of defining 2 cpu variables (one in the container definition, which is CPU shares, and one outside the container definition, which is the new variable for CPU Reservation)

https://docs.aws.amazon.com/AmazonECS/latest/developerguide/example_task_definitions.html#example_task_definition-awslogs