docs: added entity reference (#2047)

* added entity reference

* chore: added github action

* added link to reference

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

@@ -0,0 +1,147 @@
+---
+displayed_sidebar: entitiesSidebar
+---
+
+# Class: Refund
+
+## Hierarchy
+
+- `BaseEntity`
+
+  ↳ **`Refund`**
+
+## Constructors
+
+### constructor
+
+• **new Refund**()
+
+#### Inherited from
+
+BaseEntity.constructor
+
+## Properties
+
+### amount
+
+• **amount**: `number`
+
+#### Defined in
+
+[models/refund.ts:34](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L34)
+
+___
+
+### 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)
+
+___
+
+### 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)
+
+___
+
+### idempotency\_key
+
+• **idempotency\_key**: `string`
+
+#### Defined in
+
+[models/refund.ts:46](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L46)
+
+___
+
+### metadata
+
+• **metadata**: `Record`<`string`, `unknown`\>
+
+#### Defined in
+
+[models/refund.ts:43](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L43)
+
+___
+
+### note
+
+• **note**: `string`
+
+#### Defined in
+
+[models/refund.ts:37](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L37)
+
+___
+
+### order
+
+• **order**: [`Order`](Order.md)
+
+#### Defined in
+
+[models/refund.ts:31](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L31)
+
+___
+
+### order\_id
+
+• **order\_id**: `string`
+
+#### Defined in
+
+[models/refund.ts:27](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L27)
+
+___
+
+### reason
+
+• **reason**: `string`
+
+#### Defined in
+
+[models/refund.ts:40](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L40)
+
+___
+
+### 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/refund.ts:48](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/refund.ts#L48)