Adding new logo (#3)

[slsevilla]

• add input, predict sub commands

• expand user params, adjust outputs

• remove print

• update kmer search

• add info on netmhcpan

• add fatal message, remove unused pkges, remove netmhc hardcode

• remove netmhc path variable

• swap warning for fatal

• swap warning for fatal

• add numpy to reqs

• move which into predict command

• add input,run documentation

• update documentation

• update command to metro

• update aasap to metro

• Adding METRO logo

• Adding new logo to README

Co-authored-by: slsevilla slsevilla@gmail.com