Add Bolt as a Payment Method Option

This commit adds bolt as a payment method option during solidus installation.

core/lib/generators/solidus/install/install_generator.rb

@@ -10,6 +10,7 @@ class InstallGenerator < Rails::Generators::Base
 
     PAYMENT_METHODS = {
       'paypal' => 'solidus_paypal_commerce_platform',
+      'bolt' => 'solidus_bolt',
       'none' => nil,
     }
 
@@ -117,18 +118,6 @@ def plugin_install_preparation
       @plugin_generators_to_run = []
     end
 
-    def install_auth_plugin
-      if options[:with_authentication] && (options[:auto_accept] || !no?("
-        Solidus has a default authentication extension that uses Devise.
-        You can find more info at https://github.com/solidusio/solidus_auth_devise.
-
-        Would you like to install it? (Y/n)"))
-
-        @plugins_to_be_installed << 'solidus_auth_devise'
-        @plugin_generators_to_run << 'solidus:auth:install'
-      end
-    end
-
     def install_payment_method
       name = options[:payment_method]
 
@@ -148,6 +137,21 @@ def install_payment_method
       end
     end
 
+    def install_auth_plugin
+      # Doesn't need to add solidus_auth_devise if solidus_bolt is being installed as it already has the gem
+      return if @plugins_to_be_installed.include? 'solidus_bolt'
+
+      if options[:with_authentication] && (options[:auto_accept] || !no?("
+        Solidus has a default authentication extension that uses Devise.
+        You can find more info at https://github.com/solidusio/solidus_auth_devise.
+
+        Would you like to install it? (Y/n)"))
+
+        @plugins_to_be_installed << 'solidus_auth_devise'
+        @plugin_generators_to_run << 'solidus:auth:install'
+      end
+    end
+
     def include_seed_data
       append_file "db/seeds.rb", <<-RUBY.strip_heredoc