[FEATURE REQ] need more cute ascii art error messages for invalid PIDs

[MadhavJivrajani]

Is your feature request related to a problem? Please describe. For the command grofer proc -p PID, if the PID is invalid, a doggo error message is displayed which lives in src/utils/doggo.go.

        pid no exist, done doggo a sad 
                \
                 \
                /^-----^\
                V  o o  V
                 |  Y  |
                  \ ⌓ /
                  / - \
                  |    \
                  |     \     )
                  || (___\====

Describe the solution you'd like If more ascii art can be added, every time there's an error, a new error message can be displayed by choosing a random number between 0 and n, n being the number of ascii art messages we have!