2-start: renamed init to create, renamed versions to list, closed

lib/release/create.rb

@@ -0,0 +1,31 @@
+require_relative './base'
+
+module Release
+
+  class Create < Release::Base
+    def valid?
+      argv.size == 2
+    end
+
+    def help
+      "release create version"
+    end
+
+    def execute
+      subcommand, version, *extras = *argv
+
+      validate_version_format version
+
+      validate_current_branch_master
+      git_pull current_branch
+
+      validate_version_is_new version
+
+      git_local_tag release_tag_from_version(version)
+
+      git_push_tags
+
+    end
+  end
+
+end