add .DS_Store to .gitignore
add .DS_Store to .gitignore

eolwral/OSMonitor,xuwenbo/OSMonitor,eolwral/OSMonitor,xuwenbo/OSMonitor,xuwenbo/OSMonitor,ic2y/OSMonitor,eolwral/OSMonitor,ic2y/OSMonitor,ic2y/OSMonitor