feat: add currency lister

feat: add currency lister

static currency lister

config/services.yaml

@@ -4,6 +4,8 @@
 # Put parameters here that don't need to change on each machine where the app is deployed
 # https://symfony.com/doc/current/best_practices.html#use-parameters-for-application-configuration
 parameters:
+    env(SYMFONY_EXAMPLE_APP_CURRENCIES): '["CZK", "EUR", "USD", "GBP"]'
+    app.currencies: '%env(json:SYMFONY_EXAMPLE_APP_CURRENCIES)%'
 
 services:
     # default configuration for services in *this* file
@@ -21,5 +23,10 @@ services:
             - '../src/Entity/'
             - '../src/Kernel.php'
 
+    App\Service\StaticCurrencyLister:
+        arguments:
+            $available_currencies: '%app.currencies%'
+
+    App\Service\CurrencyListerInterface: '@App\Service\StaticCurrencyLister'
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones