docs: add loyalty plugin routes to OAS (#12811)

* generated OAS

* remove unused schemas

* generated specs

* add cloud badge for routes

* add to loyalty plugin page

* allow clicking the tooltip

www/apps/api-reference/specs/admin/components/schemas/AdminCreateGiftCardParams.yaml

@@ -0,0 +1,51 @@
+type: object
+description: The details of the gift card to create.
+x-schemaName: AdminCreateGiftCardParams
+required:
+  - code
+  - value
+  - currency_code
+  - expires_at
+  - reference_id
+  - reference
+  - line_item_id
+  - customer_id
+  - metadata
+properties:
+  code:
+    type: string
+    title: code
+    description: The gift card's code.
+  value:
+    type: number
+    title: value
+    description: The gift card's amount.
+    example: 20
+  currency_code:
+    type: string
+    title: currency_code
+    description: The gift card's currency code.
+    example: usd
+  expires_at:
+    type: string
+    title: expires_at
+    description: The date the gift card expires at.
+  reference_id:
+    type: string
+    title: reference_id
+    description: The gift card's reference ID.
+  reference:
+    type: string
+    title: reference
+    description: The gift card's reference.
+  line_item_id:
+    type: string
+    title: line_item_id
+    description: The ID of the line item associated with the gift card.
+  customer_id:
+    type: string
+    title: customer_id
+    description: The ID of the customer associated with the gift card.
+  metadata:
+    type: object
+    description: The gift card's metadata, can hold custom key-value pairs.