Refine log and matrix

[yzaccc]

• include logs to know which node each pod got scheduled
• refine matrix to know which node each pod is running on
• colorize the std outputs
• tbd

[knabben]

• we can log the node in the beginning, there's no need to print in the matrix, because is too much information.
• omg https://github.com/fatih/color
• set verbosity via flags --debug or -v

[knabben]

lets try print colors in the matrix, green for . and red for x, maaaybe...

[knabben]

Fixed on https://github.com/K8sbykeshed/k8s-service-validator/pull/90