feat(certificate): German template

models/certificate.go

@@ -13,6 +13,8 @@ type RunnerWithDonations struct {
 	Group             Group              `json:"group"`
 	Distance          int                `json:"distance"`
 	DistanceDonations []DistanceDonation `json:"distance_donations"`
+	TotalPerDistance  int                `json:"total_per_distance"`
+	TotalDonations    int                `json:"total_donations"`
 }
 
 type DistanceDonation struct {
@@ -31,6 +33,8 @@ type Donor struct {
 }
 
 type CertificateTemplateOptions struct {
-	Runners   []RunnerWithDonations `json:"runners"`
-	EventName string                `json:"event_name"`
+	Runners        []RunnerWithDonations `json:"runners"`
+	EventName      string                `json:"event_name"`
+	Footer         string                `json:"footer"`
+	CurrencySymbol string                `json:"currency_symbol"`
 }