Adds Script to Publish to Github Package Registry/Rubygems.org (#81)

.gitignore

@@ -7,6 +7,6 @@
 /spec/reports/
 /tmp/
 
-# rspec failure tracking
 .rspec_status
 .DS_Store
+*.gem

bin/publish

@@ -0,0 +1,38 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'optparse'
+require 'app_store_connect/version'
+
+OPTIONS = {
+  hosts: [],
+  version: AppStoreConnect::VERSION
+}.freeze
+
+HOSTS = {
+  rubygems: 'https://rubygems.org',
+  github: 'https://rubygems.pkg.github.com/kyledecot'
+}.freeze
+
+OptionParser.new do |parser|
+  HOSTS.keys.each do |key|
+    parser.on("--#{key}") do
+      OPTIONS[:hosts] << key
+    end
+  end
+
+  parser.on('--version VERSION') do |version|
+    OPTIONS[:version] = version
+  end
+
+  parser.on('--help', '-h') do
+    puts parser
+    exit(0)
+  end
+end.parse!
+
+OPTIONS[:hosts].each do |key|
+  ENV['RUBYGEMS_HOST'] = HOSTS.fetch(key)
+
+  system "gem push -k #{key} app_store_connect-#{OPTIONS[:version]}.gem"
+end