Add contact and contact detail system objects

backend/src/models/contact-detail.model.ts

@@ -0,0 +1,13 @@
+import { BaseModel } from './base.model';
+
+export class ContactDetail extends BaseModel {
+  static tableName = 'contact_details';
+
+  id!: string;
+  relatedObjectType!: string;
+  relatedObjectId!: string;
+  detailType!: string;
+  label?: string;
+  value!: string;
+  isPrimary!: boolean;
+}

backend/src/models/contact.model.ts

@@ -0,0 +1,21 @@
+import { BaseModel } from './base.model';
+
+export class Contact extends BaseModel {
+  static tableName = 'contacts';
+
+  id!: string;
+  firstName!: string;
+  lastName!: string;
+  accountId!: string;
+
+  static relationMappings = {
+    account: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'account.model',
+      join: {
+        from: 'contacts.accountId',
+        to: 'accounts.id',
+      },
+    },
+  };
+}