Update docker run command in README
Update docker run command in README

brooklyncentral/clocker,andreaturli/clocker,andreaturli/clocker,cloudsoft/clocker-cloudsoft-releases,Graeme-Miller/clocker,cloudsoft/clocker-cloudsoft-releases,aledsage/clocker,andreaturli/clocker,cloudsoft/clocker-cloudsoft-releases,mikezaccardo/clocker,andreaturli/clocker,sjcorbett/clocker,cloudsoft/clocker-cloudsoft-releases,googlielmo/clocker