refactor(donations): Make anon prepaid

src/models/actions/create/CreateDistanceDonation.ts

@@ -18,6 +18,12 @@ export class CreateDistanceDonation extends CreateDonation {
     @IsPositive()
     donor: number;
 
+    /**
+     * The donation's paid amount in the smalles unit of your currency (default: euro cent).
+     */
+    @IsInt()
+    paidAmount?: number;
+
     /**
      * The donation's associated runner's id.
      * This is important to link the runner's distance ran to the donation.