Add bin and edit workflow

bin/gems/yell-2.2.2/examples/002.1-log-level-basics.rb

@@ -0,0 +1,25 @@
+# encoding: utf-8
+
+require_relative '../lib/yell'
+
+puts <<-EOS
+
+# Like many other logging libraries, Yell allows you to define from which level 
+# onwards you want to write your log message. 
+
+logger = Yell.new STDOUT, level: :info
+
+logger.debug "This is a :debug message"
+#=> nil 
+
+logger.info "This is a :info message"
+#=> "2012-02-29T09:30:00+01:00 [ INFO] 65784 : This is a :info message"
+
+
+EOS
+
+puts "=== actual example ==="
+logger = Yell.new STDOUT, level: :info
+
+logger.debug "This is a :debug message"
+logger.info "This is a :info message"