added translations

frontend/config/packages/translation.yaml

@@ -0,0 +1,13 @@
+framework:
+    default_locale: de
+    # Languages the site is offered in. To add one: list its code here, add
+    # translations/{messages,js,formats}.<code>.yaml (copy the "de" files and
+    # translate), and — if flatpickr ships it — nothing else; the language
+    # switcher, <html lang> and the date picker locale follow from this list.
+    enabled_locales: ['de', 'en']
+    translator:
+        default_path: '%kernel.project_dir%/translations'
+        # A key missing from a language falls back to German instead of
+        # showing the raw key.
+        fallbacks: ['de']
+        providers:

frontend/config/packages/twig.yaml

@@ -1,5 +1,7 @@
 twig:
     default_path: '%kernel.project_dir%/templates'
+    globals:
+        enabled_locales: '%kernel.enabled_locales%'
 
 when@test:
     twig: