Added „Hello World“ example in Ruby language
Added „Hello World“ example in Ruby language

florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world,florianbussmann/hello-world