docs: added entity reference (#2047)

* added entity reference

* chore: added github action

* added link to reference

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

@@ -0,0 +1,191 @@
+---
+displayed_sidebar: entitiesSidebar
+---
+
+# Class: GiftCard
+
+## Hierarchy
+
+- `SoftDeletableEntity`
+
+  ↳ **`GiftCard`**
+
+## Constructors
+
+### constructor
+
+• **new GiftCard**()
+
+#### Inherited from
+
+SoftDeletableEntity.constructor
+
+## Properties
+
+### balance
+
+• **balance**: `number`
+
+#### Defined in
+
+[models/gift-card.ts:26](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L26)
+
+___
+
+### code
+
+• **code**: `string`
+
+#### Defined in
+
+[models/gift-card.ts:20](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L20)
+
+___
+
+### created\_at
+
+• **created\_at**: `Date`
+
+#### Inherited from
+
+SoftDeletableEntity.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)
+
+___
+
+### deleted\_at
+
+• **deleted\_at**: ``null`` \| `Date`
+
+#### Inherited from
+
+SoftDeletableEntity.deleted\_at
+
+#### Defined in
+
+[interfaces/models/soft-deletable-entity.ts:7](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/interfaces/models/soft-deletable-entity.ts#L7)
+
+___
+
+### ends\_at
+
+• **ends\_at**: `Date`
+
+#### Defined in
+
+[models/gift-card.ts:51](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L51)
+
+___
+
+### id
+
+• **id**: `string`
+
+#### Inherited from
+
+SoftDeletableEntity.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)
+
+___
+
+### is\_disabled
+
+• **is\_disabled**: `boolean`
+
+#### Defined in
+
+[models/gift-card.ts:45](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L45)
+
+___
+
+### metadata
+
+• **metadata**: `Record`<`string`, `unknown`\>
+
+#### Defined in
+
+[models/gift-card.ts:54](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L54)
+
+___
+
+### order
+
+• **order**: [`Order`](Order.md)
+
+#### Defined in
+
+[models/gift-card.ts:42](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L42)
+
+___
+
+### order\_id
+
+• **order\_id**: `string`
+
+#### Defined in
+
+[models/gift-card.ts:38](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L38)
+
+___
+
+### region
+
+• **region**: [`Region`](Region.md)
+
+#### Defined in
+
+[models/gift-card.ts:34](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L34)
+
+___
+
+### region\_id
+
+• **region\_id**: `string`
+
+#### Defined in
+
+[models/gift-card.ts:30](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L30)
+
+___
+
+### updated\_at
+
+• **updated\_at**: `Date`
+
+#### Inherited from
+
+SoftDeletableEntity.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)
+
+___
+
+### value
+
+• **value**: `number`
+
+#### Defined in
+
+[models/gift-card.ts:23](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L23)
+
+## Methods
+
+### beforeInsert
+
+▸ `Private` **beforeInsert**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[models/gift-card.ts:56](https://github.com/medusajs/medusa/blob/0703dd94e/packages/medusa/src/models/gift-card.ts#L56)