initial CLI with Thor

.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = space
+indent_size = 2
+
+[*.py]
+indent_size = 4
+
+[*.go]
+indent_style = tab

exe/zt

@@ -1,5 +1,4 @@
 #!/usr/bin/env ruby
-puts "hello from zt dummy executable"
 
-#require 'zt/cli'
-#Zt::CLI.start
+require 'zt/cli'
+Zt::CLI.start

lib/zt/cli.rb

@@ -0,0 +1,12 @@
+require 'thor'
+require 'zt'
+module Zt
+  class CLI < Thor
+
+    desc "version", "Show the zt version number"
+    def version
+      puts "This is zt version #{Zt::VERSION}"
+    end
+
+  end
+end

zt.gemspec

@@ -35,6 +35,8 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "thor", "~> 0.0"
+
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 12.0"
   spec.add_development_dependency "rspec", "~> 3.0"