docs: Mark archetype generation command as a code sample
docs: Mark archetype generation command as a code sample

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nickbabcock/dropwizard,nickbabcock/dropwizard,dropwizard/dropwizard,micsta/dropwizard,tjcutajar/dropwizard,jplock/dropwizard,pkwarren/dropwizard,pkwarren/dropwizard,micsta/dropwizard,patrox/dropwizard,Alexey1Gavrilov/dropwizard,phambryan/dropwizard,jplock/dropwizard,phambryan/dropwizard,dropwizard/dropwizard,nickbabcock/dropwizard,mosoft521/dropwizard,patrox/dropwizard,tjcutajar/dropwizard,mosoft521/dropwizard,jplock/dropwizard,phambryan/dropwizard,mosoft521/dropwizard,patrox/dropwizard,tjcutajar/dropwizard,pkwarren/dropwizard,Alexey1Gavrilov/dropwizard,micsta/dropwizard,dropwizard/dropwizard,Alexey1Gavrilov/dropwizard