docs: added entity reference (#2047)

* added entity reference

* chore: added github action

* added link to reference

docs/content/references/entities/classes/Notification.md

@@ -0,0 +1,197 @@
+---
+displayed_sidebar: entitiesSidebar
+---
+
+# Class: Notification
+
+## Hierarchy
+
+- `BaseEntity`
+
+  ↳ **`Notification`**
+
+## Constructors
+
+### constructor
+
+• **new Notification**()
+
+#### Inherited from
+
+BaseEntity.constructor
+
+## Properties
+
+### created\_at
+
+• **created\_at**: `Date`
+
+#### Inherited from
+
+BaseEntity.created\_at
+
+#### Defined in
+
+[interfaces/models/base-entity.ts:16](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/interfaces/models/base-entity.ts#L16)
+
+___
+
+### customer
+
+• **customer**: [`Customer`](Customer.md)
+
+#### Defined in
+
+[models/notification.ts:36](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L36)
+
+___
+
+### customer\_id
+
+• **customer\_id**: ``null`` \| `string`
+
+#### Defined in
+
+[models/notification.ts:32](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L32)
+
+___
+
+### data
+
+• **data**: `Record`<`string`, `unknown`\>
+
+#### Defined in
+
+[models/notification.ts:42](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L42)
+
+___
+
+### event\_name
+
+• **event\_name**: `string`
+
+#### Defined in
+
+[models/notification.ts:20](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L20)
+
+___
+
+### id
+
+• **id**: `string`
+
+#### Inherited from
+
+BaseEntity.id
+
+#### Defined in
+
+[interfaces/models/base-entity.ts:13](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/interfaces/models/base-entity.ts#L13)
+
+___
+
+### parent\_id
+
+• **parent\_id**: `string`
+
+#### Defined in
+
+[models/notification.ts:45](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L45)
+
+___
+
+### parent\_notification
+
+• **parent\_notification**: [`Notification`](Notification.md)
+
+#### Defined in
+
+[models/notification.ts:49](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L49)
+
+___
+
+### provider
+
+• **provider**: `NotificationProvider`
+
+#### Defined in
+
+[models/notification.ts:59](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L59)
+
+___
+
+### provider\_id
+
+• **provider\_id**: `string`
+
+#### Defined in
+
+[models/notification.ts:55](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L55)
+
+___
+
+### resends
+
+• **resends**: [`Notification`](Notification.md)[]
+
+#### Defined in
+
+[models/notification.ts:52](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L52)
+
+___
+
+### resource\_id
+
+• **resource\_id**: `string`
+
+#### Defined in
+
+[models/notification.ts:28](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L28)
+
+___
+
+### resource\_type
+
+• **resource\_type**: `string`
+
+#### Defined in
+
+[models/notification.ts:24](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L24)
+
+___
+
+### to
+
+• **to**: `string`
+
+#### Defined in
+
+[models/notification.ts:39](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L39)
+
+___
+
+### updated\_at
+
+• **updated\_at**: `Date`
+
+#### Inherited from
+
+BaseEntity.updated\_at
+
+#### Defined in
+
+[interfaces/models/base-entity.ts:19](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/interfaces/models/base-entity.ts#L19)
+
+## Methods
+
+### beforeInsert
+
+▸ `Private` **beforeInsert**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[models/notification.ts:61](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/notification.ts#L61)