Initial pass at Plaid EU (#1555)

* Initial pass at Plaid EU

* Add EU support to Plaid Items

* Lint

* Temp fix for rubocop isseus

* Merge cleanup

* Pass in region and get tests passing

* Use absolute path for translation

---------

Signed-off-by: Josh Pigford <josh@joshpigford.com>

app/models/concerns/plaidable.rb

@@ -5,10 +5,19 @@ module Plaidable
     def plaid_provider
       Provider::Plaid.new if Rails.application.config.plaid
     end
+
+    def plaid_eu_provider
+      Provider::Plaid.new if Rails.application.config.plaid_eu
+    end
+
+    def plaid_provider_for(plaid_item)
+      return nil unless plaid_item
+      plaid_item.eu? ? plaid_eu_provider : plaid_provider
+    end
   end
 
   private
-    def plaid_provider
-      self.class.plaid_provider
+    def plaid_provider_for(plaid_item)
+      self.class.plaid_provider_for(plaid_item)
     end
 end