Adding simplest configurator. No usage of creds right now

bin/console

@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require "bundler/setup"
+require "yookassa"
+
+begin
+  require "pry-byebug"
+  Pry.start
+rescue LoadError
+  require "irb"
+  IRB.start
+end

bin/setup

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+set -vx
+
+bundle install
+
+# Do any other automated setup that you need to do here

lib/yookassa.rb

@@ -11,3 +11,14 @@ require "yookassa/optional"
 require "yookassa/entity/payment"
 require "yookassa/entity/refund"
 require "yookassa/error"
+require "yookassa/config"
+
+module Yookassa
+  def self.configure
+    yield(config)
+  end
+
+  def self.config
+    @config ||= Config.new
+  end
+end

lib/yookassa/config.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module Yookassa
+  class Config
+    attr_accessor :shop_id, :api_key
+  end
+end

spec/yookassa/config_spec.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Yookassa
+  RSpec.describe Config do
+    subject { described_class.new }
+    it { is_expected.to respond_to(:shop_id) }
+    it { is_expected.to respond_to(:api_key) }
+  end
+end

spec/yookassa_spec.rb

@@ -4,4 +4,18 @@ RSpec.describe Yookassa do
   it "has a version number" do
     expect(Yookassa::VERSION).not_to be nil
   end
+
+  describe ".configure" do
+    before do
+      Yookassa.configure do |config|
+        config.shop_id = 123
+        config.api_key = "test_321"
+      end
+    end
+
+    it "stores settings and provides access to credentials" do
+      expect(Yookassa.config.shop_id).to eq(123)
+      expect(Yookassa.config.api_key).to eq("test_321")
+    end
+  end
 end