chore(localization): add localization for skill level tags (#43)

* chore(localization): add localization for skill level tags

* chore(localization): lowercase the skill level symbols

i18n/locales/de-DE.json

@@ -73,5 +73,8 @@
   "deliveryKeyInvalidLabel": "Ihr Delivery API Zugangsschlüssel ist ungültig.",
   "spaceOrTokenInvalid": "Dieser Space existiert nicht, oder Ihr Access Token kommt nicht von diesem Space.",
   "somethingWentWrongLabel": "Irgendetwas lief falsch.",
-  "previewKeyInvalidLabel": "Ihr Preview API Zugangsschlüssel ist ungültig."
+  "previewKeyInvalidLabel": "Ihr Preview API Zugangsschlüssel ist ungültig.",
+  "beginnerLabel": "Anfänger",
+  "intermediateLabel": "Fortgeschrittener",
+  "advancedLabel": "Profi"
 }

i18n/locales/en-US.json

@@ -74,5 +74,8 @@
   "deliveryKeyInvalidLabel": "Your Delivery API key is invalid.",
   "spaceOrTokenInvalid": "This space does not exist or your access token is not associated with your space.",
   "somethingWentWrongLabel": "Something went wrong",
-  "previewKeyInvalidLabel": "Your Preview API key is invalid."
+  "previewKeyInvalidLabel": "Your Preview API key is invalid.",
+  "beginnerLabel": "Beginner",
+  "intermediateLabel": "Intermediate",
+  "advancedLabel": "Advanced"
 }

views/course.pug

@@ -38,7 +38,7 @@ block content
               .course__overview-item
                 svg.course__overview-icon
                   use(xlink:href='/icons/icons.svg#skill-level')
-                .course__overview-value #{translate('skillLevelLabel', currentLocale.code)}: #{course.fields.skillLevel}
+                .course__overview-value #{translate('skillLevelLabel', currentLocale.code)}: #{translate(`${course.fields.skillLevel}Label`, currentLocale.code)}
             .course__overview-cta-wrapper
               a.course__overview-cta.cta(href=`/courses/${course.fields.slug}/lessons/${course.fields.lessons[0].fields.slug}${queryString}`) #{translate('startCourseLabel', currentLocale.code)}
           .course__description !{helpers.markdown(course.fields.description)}