Implement verbose status in Env

lib/uh/wm/env.rb

@@ -5,12 +5,17 @@ module Uh
       def_delegator :@logger, :info, :log
       def_delegator :@output, :print
 
-      attr_reader :output, :logger
+      attr_reader   :output, :logger
+      attr_accessor :verbose
 
       def initialize output, logger: Logger.new(output)
         @output = output
         @logger = logger
       end
+
+      def verbose?
+        !!@verbose
+      end
     end
   end
 end