Add bin and edit workflow

bin/gems/yell-2.2.2/examples/001-basic-usage.rb

@@ -0,0 +1,25 @@
+# encoding: utf-8
+
+require_relative '../lib/yell'
+
+puts <<-EOS
+
+# On the basics, Yell works just like any other logging library. 
+#
+# However, it enriches your log messages to make it more readable. By default, 
+# it will format the given message as follows:
+
+logger = Yell.new STDOUT
+logger.info "Hello World!"
+
+#=> "2012-02-29T09:30:00+01:00 [ INFO] 65784 : Hello World!"
+#    ^                         ^       ^       ^
+#    ISO8601 Timestamp         Level   Pid     Message
+
+
+EOS
+
+puts "=== actual example ==="
+logger = Yell.new STDOUT
+logger.info "Hello World!"
+