README: add validation example
README: add validation example

klizhentas/rkt,tmrts/rkt,Yhgenomics/rkt,jjlakis/rkt,Wilybald/rkt,shtouff/rkt,euank/rkt,marineam/rkt,chrisseto/rkt,bramvdbogaerde/rocket-arm,intfrr/rkt,jiachenning/rocket,crawford/rkt,robszumski/rocket,intelsdi-x/rkt,jasonchaffee/rkt,clearlinux/rkt,jakon89/rkt,dalanlan/rkt,coreos/rkt,tv42/rkt,sstabellini/rkt,kbrwn/rkt,squeed/rkt,iankronquist/rkt,rhvgoyal/rkt,michelangelo13/rkt,iankronquist/rkt,bramvdbogaerde/rocket-arm,Yhgenomics/rkt,eyakubovich/rkt,matthaias/rkt,achanda/rkt,blixtra/rkt,ChengTiesheng/rkt,shobhit85/rkt,tixxdz/rkt,krnowak/rkt,monstermunchkin/rkt,ChengTiesheng/rkt,rot26/rkt,akshaykarle/rkt,nhlfr/rkt,crawford/rkt,sgotti/rkt,joshix/rkt,wparad/rkt,klizhentas/rkt,rkt/rkt,mike1729/rkt,klizhentas/rkt,jakon89/rkt,cab105/rkt,ramitsurana/rkt,squaremo/rkt,krnowak/rkt,iaguis/rkt,ybubnov/rkt,joshix/rkt,luebken/rkt,rkt/rkt,akshaykarle/rkt,Wilybald/rkt,s-urbaniak/rkt,michelangelo13/rkt,iankronquist/rkt,xnox/rkt,clearlinux/rkt,joshix/rkt,sgotti/rkt,sinfomicien/rkt,intelsdi-x/rkt,Wilybald/rkt,shtouff/rkt,tixxdz/rkt,alban/rkt,sstabellini/rkt,shobhit85/rkt,lee212/rkt,matthaias/rkt,markllama/rkt,achanda/rkt,jjlakis/rkt,luebken/rkt,sstabellini/rkt,kbrwn/rkt,tmrts/rkt,linki/rkt,lucasallan/rkt,lucasallan/rkt,yifan-gu/rocket,marineam/rkt,rkt/rkt,smarvin/rkt,endocode/rkt,jzelinskie/rkt,mattthias/pkg-rkt,il9ue/rkt,MattDees/rkt,lsm5/rkt,liugenping/rkt,ramitsurana/rkt,monstermunchkin/rkt,iaguis/rkt,alban/rkt,rhvgoyal/rkt,jakon89/rkt,tv42/rkt,MabinGo/rkt,squeed/rkt,lsm5/rkt,marineam/rkt,akshaykarle/rkt,yifan-gu/rocket,chrisseto/rkt,kinvolk/rkt,matthaias/rkt,jjlakis/rkt,MabinGo/rkt,bsmr-go/rkt,jonboulle/rkt,yifan-gu/rkt,MattDees/rkt,chrisseto/rkt,lee212/rkt,endocode/rkt,linki/rkt,ramitsurana05/rkt,fdserr/rkt,achanda/rkt,sinfomicien/rkt,shobhit85/rkt,robszumski/rocket,intfrr/rkt,Shashwatsh/rkt,tmrts/rkt,jzelinskie/rkt,cab105/rkt,rkt/rkt,joshix/rkt,kinvolk/rkt,MabinGo/rkt,nhlfr/rkt,kinvolk/rkt,sinfomicien/rkt,maquanyi/rkt,mike1729/rkt,liubq919/rkt,rot26/rkt,adfernandes/rkt,monstermunchkin/rkt,alexhersh/rkt,s-urbaniak/rkt,philips/rkt,robszumski/rocket,liugenping/rkt,jonboulle/rkt,jasonchaffee/rkt,il9ue/rkt,ybubnov/rkt,liubq919/rkt,mjg59/rkt,bsmr-go/rkt,iaguis/rkt,endocode/rkt,ramitsurana05/rkt,squeed/rkt,dgonyeo/rkt,ramitsurana05/rkt,lee212/rkt,coreos/rkt,tixxdz/rkt,squaremo/rkt,yifan-gu/rkt,dalanlan/rkt,alexhersh/rkt,alban/rkt,eyakubovich/rkt,rhvgoyal/rkt,Shashwatsh/rkt,maquanyi/rkt,blixtra/rkt,liugenping/rkt,MattDees/rkt,euank/rkt,bsmr-go/rkt,alexhersh/rkt,intelsdi-x/rkt,markllama/rkt,yifan-gu/rocket,squaremo/rkt,euank/rkt,michelangelo13/rkt,sgotti/rkt,xnox/rkt,jiachenning/rocket,tv42/rkt,lucasallan/rkt,krnowak/rkt,mjg59/rkt,Shashwatsh/rkt,smarvin/rkt,clearlinux/rkt,markllama/rkt,lucasallan/rkt,coreos/rkt,crawford/rkt,kbrwn/rkt,philips/rkt,adfernandes/rkt,xnox/rkt,smarvin/rkt,nhlfr/rkt,linki/rkt,jzelinskie/rkt,jasonchaffee/rkt,dalanlan/rkt,rot26/rkt,ybubnov/rkt,jonboulle/rkt,liubq919/rkt,Yhgenomics/rkt,dgonyeo/rkt,intfrr/rkt,kinvolk/rkt,mattthias/pkg-rkt,mike1729/rkt,gdi2290/rocket,mjg59/rkt,il9ue/rkt,mattthias/pkg-rkt,adfernandes/rkt,maquanyi/rkt,s-urbaniak/rkt,yifan-gu/rkt,cab105/rkt,wparad/rkt,fdserr/rkt,blixtra/rkt,ChengTiesheng/rkt,lsm5/rkt,luebken/rkt,gdi2290/rocket,shtouff/rkt,fdserr/rkt,dgonyeo/rkt,Wilybald/rkt,eyakubovich/rkt,ramitsurana/rkt,wparad/rkt