docs: update api-reference project for v2 (#7307)

* remove everything v1 and make v2 default

* move main v2 rewrites to book

* move rewrites to book + other fixes

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

@@ -0,0 +1,49 @@
+type: object
+description: SUMMARY
+x-schemaName: AdminPostPromotionsPromotionReq
+properties:
+  code:
+    type: string
+    title: code
+    description: The promotion's code.
+  is_automatic:
+    type: boolean
+    title: is_automatic
+    description: The promotion's is automatic.
+  type: {}
+  campaign_id:
+    type: string
+    title: campaign_id
+    description: The promotion's campaign id.
+  campaign:
+    $ref: ./AdminPostCampaignsReq.yaml
+  application_method:
+    $ref: ./ApplicationMethodsMethodPostReq.yaml
+  rules:
+    type: array
+    description: The promotion's rules.
+    items:
+      type: object
+      description: The rule's rules.
+      x-schemaName: PromotionRule
+      required:
+        - operator
+        - attribute
+        - values
+      properties:
+        operator: {}
+        description:
+          type: string
+          title: description
+          description: The rule's description.
+        attribute:
+          type: string
+          title: attribute
+          description: The rule's attribute.
+        values:
+          type: array
+          description: The rule's values.
+          items:
+            type: string
+            title: values
+            description: The value's values.