uffizzi cluster sleep / wake

[gadkins]

Add CLI subcommands:

• uffizzi cluster sleep
• uffizzi cluster wake

Usage

• (Default) Target cluster is the current kubeconfig context uffizzi cluster sleep
• (Optional) Target cluster is <name> - uffizzi cluster sleep my-cluster

Help page (sleep)

$ uffizzi cluster sleep -h
uffizzi-cluster-sleep - put a cluster to sleep (non-destructive)
================================================================

## SYNOPSIS
    uffizzi cluster sleep [CLUSTER_NAME]

## DESCRIPTION
    Scales a Uffizzi cluster down to zero resource utilization 
    while keeping the namespace and any stateful resources,
    like persistent volume claims. If no CLUSTER_NAME is 
    specified, the kubeconfig current context is used.

    For more information on Uffizzi clusters, see:
    https://docs.uffizzi.com/references/cli/

## OPTIONS
    CLUSTER_NAME
    The name of the target Uffizzi cluster

## EXAMPLES
    To put the Uffizzi cluster in the current context to 
    sleep, run:

        $ uffizzi cluster sleep

    To put a Uffizzi cluster outside the current context to 
    sleep, run:

        $ uffizzi cluster sleep my-cluster

[gadkins]

Help page (wake)

$ uffizzi cluster wake -h
uffizzi-cluster-wake - wake a cluster that is sleeping
================================================================

## SYNOPSIS
    uffizzi cluster wake [CLUSTER_NAME]

## DESCRIPTION
    Scales up a Uffizzi cluster to its original resource 
    utilization from zero (see 'uffizzi cluster sleep -h'). 
    If no CLUSTER_NAME is specified, the kubeconfig current 
    context is used.

    For more information on Uffizzi clusters, see:
    https://docs.uffizzi.com/references/cli/

## OPTIONS
    CLUSTER_NAME
    The name of the target Uffizzi cluster

## EXAMPLES
    To wake the Uffizzi cluster in the current context, run:

        $ uffizzi cluster wake

    To wake a Uffizzi cluster outside the current context, run:

        $ uffizzi cluster wake my-cluster

[ALEXANCHESSS]

@moklidia

• After creating a cluster, the response to the "sleep" command returns the error "Failed to scale down cluster". When entering the command a second time, "Cluster almost was successfully scaled down" is returned

• Can we change the naming style of statuses on the frontend from snake_case to normal?