Implemented a possible bugfix

ref #68

src/models/entities/Address.ts

@@ -7,7 +7,7 @@ import {
 } from "class-validator";
 import { Column, Entity, OneToMany, PrimaryGeneratedColumn } from "typeorm";
 import { config } from '../../config';
-import { Participant } from "./Participant";
+import { IAddressUser } from './IAddressUser';
 
 /**
  * Defines the Address entity.
@@ -78,13 +78,6 @@ export class Address {
   /**
    * Used to link the address to participants.
    */
-  @OneToMany(() => Participant, participant => participant.address, { nullable: true })
-  participants: Participant[];
-
-  //TODO: #68
-  // /**
-  //  * Used to link the address to runner groups.
-  //  */
-  // @OneToMany(() => RunnerOrganisation, group => group.address, { nullable: true })
-  // groups: RunnerOrganisation[];
+  @OneToMany(() => IAddressUser, addressUser => addressUser.address, { nullable: true })
+  addressUsers: IAddressUser[];
 }