Add money dependency

Author: sunny

Gemfile

@@ -1,7 +1,9 @@
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 gemspec
 
-group :test do
-  gem 'rake'
-end
+# Tasks
+gem "rake"
+
+# Specs
+gem "rspec", "~> 3.13"

eu_central_bank.gemspec

@@ -27,8 +27,6 @@ Gem::Specification.new do |s|
   s.add_dependency "nokogiri", "~> 1.11"
   s.add_dependency "money", "~> 7.0"
 
-  s.add_development_dependency "rspec", "~> 3.13"
-
-  s.files         = Dir.glob("lib/**/*") + %w(CHANGELOG.md LICENSE README.md)
+  s.files = Dir.glob("lib/**/*.rb") + %w[CHANGELOG.md LICENSE README.md]
   s.require_path = "lib"
 end

lib/eu_central_bank/version.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "money"
+
 class EuCentralBank < Money::Bank::VariableExchange
   VERSION = "2.0.0"
 end