Update gitignore
Update gitignore

lynxkor/oxyplot,HermanEldering/oxyplot,shoelzer/oxyplot,oxyplot/oxyplot,Kaplas80/oxyplot,svendu/oxyplot,bbqchickenrobot/oxyplot,Kaplas80/oxyplot,DotNetDoctor/oxyplot,Jonarw/oxyplot,objorke/oxyplot,DotNetDoctor/oxyplot,svendu/oxyplot,Rustemt/oxyplot,Rustemt/oxyplot,shoelzer/oxyplot,GeertvanHorrik/oxyplot,objorke/oxyplot,TheAlmightyBob/oxyplot,br111an/oxyplot,svendu/oxyplot,Sbosanquet/oxyplot,GeertvanHorrik/oxyplot,zur003/oxyplot,freudenthal/oxyplot,Rustemt/oxyplot,TheAlmightyBob/oxyplot,freudenthal/oxyplot,H2ONaCl/oxyplot,olegtarasov/oxyplot,jeremyiverson/oxyplot,TheAlmightyBob/oxyplot,Sbosanquet/oxyplot,BRER-TECH/oxyplot,Sbosanquet/oxyplot,Mitch-Connor/oxyplot,as-zhuravlev/oxyplot_wpf_fork,GeertvanHorrik/oxyplot,br111an/oxyplot,Jofta/oxyplot,sevoku/oxyplot,H2ONaCl/oxyplot,as-zhuravlev/oxyplot_wpf_fork,freudenthal/oxyplot,mattleibow/oxyplot,lynxkor/oxyplot,NilesDavis/oxyplot,objorke/oxyplot,H2ONaCl/oxyplot,Mitch-Connor/oxyplot,as-zhuravlev/oxyplot_wpf_fork,ze-pequeno/oxyplot,br111an/oxyplot,olegtarasov/oxyplot,shoelzer/oxyplot,jeremyiverson/oxyplot,bbqchickenrobot/oxyplot,BRER-TECH/oxyplot,lynxkor/oxyplot,bbqchickenrobot/oxyplot,sevoku/oxyplot,HermanEldering/oxyplot,jeremyiverson/oxyplot,mattleibow/oxyplot,Isolocis/oxyplot,Mitch-Connor/oxyplot