add new insurance type

app/Enums/InsuranceType.php

@@ -24,4 +24,6 @@ final class InsuranceType extends Enum
     const FiveStar = '4';
 
     const FiveStarPlus = '5';
+
+    const Ja = '6';
 }

app/Models/Contract.php

@@ -78,6 +78,7 @@ class Contract extends Model
             InsuranceType::ThreeStar => '3 Stern',
             InsuranceType::FiveStar => '5 Stern',
             InsuranceType::FiveStarPlus => '5 Stern+',
+            InsuranceType::Ja => 'Ja',
             default => 'Nein',
         };
     }