Update .gitignore to generated files
Update .gitignore to generated files

hendrikmaus/drafter,apiaryio/drafter,neonichu/drafter,apiaryio/drafter,hendrikmaus/drafter,neonichu/drafter,apiaryio/drafter,apiaryio/drafter,apiaryio/drafter,hendrikmaus/drafter,neonichu/drafter,hendrikmaus/drafter,neonichu/drafter