Update mplotqueries.md
Update mplotqueries.md

added command line screenshot.
corymintz/mtools,tomzhang/mtools,yaowenqiang/mtools,devkev/mtools,ces0712/mtools,tomzhang/mtools,devkev/mtools,corymintz/mtools,parkhyeonghwa/mtools,aerrami/mtools,gormanb/mtools,aerrami/mtools,tomzhang/mtools,yaowenqiang/mtools,rueckstiess/mtools,aerrami/mtools,rueckstiess/mtools,parkhyeonghwa/mtools,gormanb/mtools,yaowenqiang/mtools,devkev/mtools,ces0712/mtools,parkhyeonghwa/mtools,gormanb/mtools,ces0712/mtools,corymintz/mtools