Add .pluginspec sample

samples/Ruby/jenkinsci.pluginspec

@@ -0,0 +1,27 @@
+Jenkins::Plugin::Specification.new do |plugin|
+  plugin.name = "foo"
+  plugin.display_name = "Foo Plugin"
+  plugin.version = '0.0.1'
+  plugin.description = 'TODO: enter description here'
+
+  # You should create a wiki-page for your plugin when you publish it, see
+  # https://wiki.jenkins-ci.org/display/JENKINS/Hosting+Plugins#HostingPlugins-AddingaWikipage
+  # This line makes sure it's listed in your POM.
+  plugin.url = 'https://wiki.jenkins-ci.org/display/JENKINS/Foo+Plugin'
+
+  # The first argument is your user name for jenkins-ci.org.
+  plugin.developed_by "david.calavera", "David Calavera <david.calavera@gmail.com>"
+
+  # This specifies where your code is hosted.
+  # Alternatives include:
+  #  :github => 'myuser/foo-plugin' (without myuser it defaults to jenkinsci)
+  #  :git => 'git://repo.or.cz/foo-plugin.git'
+  #  :svn => 'https://svn.jenkins-ci.org/trunk/hudson/plugins/foo-plugin'
+  plugin.uses_repository :github => "foo-plugin"
+
+  # This is a required dependency for every ruby plugin.
+  plugin.depends_on 'ruby-runtime', '0.10'
+
+  # This is a sample dependency for a Jenkins plugin, 'git'.
+  #plugin.depends_on 'git', '1.1.11'
+end