wip move automatic invoices to plugin

plugins/automatic_invoices/foodsoft_automatic_invoices.gemspec

@@ -0,0 +1,19 @@
+$:.push File.expand_path('lib', __dir__)
+
+# Maintain your gem's version:
+require 'foodsoft_automatic_invoices/version'
+
+# Describe your gem and declare its dependencies:
+Gem::Specification.new do |s|
+  s.name        = 'foodsoft_automatic_invoices'
+  s.version     = FoodsoftAutomaticInvoices::VERSION
+  s.authors     = ['viehlieb']
+  s.email       = ['pf@pragma-shift.net']
+  s.summary     = "Foodsoft plugin to enhance foodsoft's accounting capabilities and to create and automatically deliver invoice pdfs for accounted orders."
+  s.description = ''
+
+  s.files = Dir['{app,config,db,spec,lib}/**/*'] + ['Rakefile', 'README.md','/app/controllers/concerns/send_group_order_invoice_pdf.rb']
+
+  s.add_dependency 'rails'
+  s.add_dependency 'deface', '~> 1.0'
+end