def render!
      cmd = melt melt_args(options.merge(outfile: outfile)).join(' ')
      puts "Run: #{cmd}"
      puts

      run(cmd) do |_stdin, _stdout, stderr|
        stderr.each("\r") do |line|
          STDOUT.write "\r#{line}"
        end
      end
    end
def render!
      cmd = melt melt_args(options.merge(outfile: outfile)).join(' ')
      puts "Run: #{cmd}"
      puts

      run(cmd) do |_stdin, _stdout, stderr|
        stderr.each("\r") do |line|
          STDOUT.write "\r#{line}"
        end
      end
    end
Renders the project