Added frankfurter, fawazahmed_currency_api, bulgarian_national_bank and national_bank_of_ukraine as configurable options

Author: jbtronics

DependencyInjection/Configuration.php

@@ -134,6 +134,10 @@ public function getConfigTreeBuilder(): TreeBuilder
                         ->append($this->createSimpleProviderNode('european_central_bank'))
                         ->append($this->createSimpleProviderNode('national_bank_of_romania'))
                         ->append($this->createSimpleProviderNode('russian_central_bank'))
+                        ->append($this->createSimpleProviderNode('frankfurter'))
+                        ->append($this->createSimpleProviderNode('fawazahmed_currency_api'))
+                        ->append($this->createSimpleProviderNode('bulgarian_national_bank'))
+                        ->append($this->createSimpleProviderNode('national_bank_of_ukraine'))
                         ->arrayNode('currency_data_feed')
                             ->children()
                                 ->integerNode('priority')->defaultValue(0)->end()

composer.json

@@ -23,6 +23,7 @@
         "php": "^7.1.3|^8.0",
         "symfony/framework-bundle": "~3.0|~4.0|~5.0|~6.0|~7.0",
         "part-db/swap": "^5.0",
+        "part-db/exchanger": "^3.1.0",
         "psr/http-client": "^1.0"
     },
     "require-dev": {