[INSTANCE] Add option to connect to console when a server is created

## Description
Add an option to automatically connect to the console when an Instance server is created

## How this functionality would be exposed
$ scw server create console=true

## References

## Version

Version    2.4.0
BuildDate  2021-10-28T08:36:16
GoVersion  go1.17.2
GitBranch  new-release
GitCommit  e7f4f094
GoArch     amd64
GoOS       linux
