Add bin and edit workflow

bin/gems/yell-2.2.2/examples/005.1-repository.rb

@@ -0,0 +1,21 @@
+# encoding: utf-8
+
+require_relative '../lib/yell'
+
+puts <<-EOS
+
+# You can add a logger to the global repository.
+#
+# create a logger named 'mylog' that logs to stdout
+Yell.new :stdout, name: 'mylog'
+
+# Later in the code, you can get your logger back
+Yell['mylog'].info "Hello World!"
+
+
+EOS
+
+puts "=== actual example ==="
+Yell.new :stdout, name: 'mylog'
+Yell['mylog'].info "Hello World!"
+