feat: image gallery (#2)

Reviewed-on: #2

internal/components/translate/context.go

@@ -25,6 +25,7 @@ func SupportedLanguages(ctx context.Context) []string {
 	s, ok := ctx.Value(serviceKey).(*Service)
 	if !ok {
 		slog.Error("could not extract translation service from context for getting supported languages")
+		return []string{}
 	}
 	return s.SupportedLanguages()
 }