chore(docs): Updated API Reference (v2) (#8609)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/utils/generated/oas-output/schemas/CampaignResponse.ts

@@ -0,0 +1,77 @@
+/**
+ * @schema CampaignResponse
+ * type: object
+ * description: The campaign's details.
+ * x-schemaName: CampaignResponse
+ * required:
+ *   - id
+ *   - name
+ *   - description
+ *   - currency
+ *   - campaign_identifier
+ *   - starts_at
+ *   - ends_at
+ *   - budget
+ * properties:
+ *   id:
+ *     type: string
+ *     title: id
+ *     description: The campaign's ID.
+ *   name:
+ *     type: string
+ *     title: name
+ *     description: The campaign's name.
+ *   description:
+ *     type: string
+ *     title: description
+ *     description: The campaign's description.
+ *   currency:
+ *     type: string
+ *     title: currency
+ *     description: The campaign's currency.
+ *   campaign_identifier:
+ *     type: string
+ *     title: campaign_identifier
+ *     description: The campaign's campaign identifier.
+ *   starts_at:
+ *     type: string
+ *     title: starts_at
+ *     description: The campaign's starts at.
+ *   ends_at:
+ *     type: string
+ *     title: ends_at
+ *     description: The campaign's ends at.
+ *   budget:
+ *     type: object
+ *     description: The campaign's budget.
+ *     required:
+ *       - id
+ *       - type
+ *       - currency_code
+ *       - limit
+ *       - used
+ *     properties:
+ *       id:
+ *         type: string
+ *         title: id
+ *         description: The budget's ID.
+ *       type:
+ *         type: string
+ *         enum:
+ *           - spend
+ *           - usage
+ *       currency_code:
+ *         type: string
+ *         title: currency_code
+ *         description: The budget's currency code.
+ *       limit:
+ *         type: number
+ *         title: limit
+ *         description: The budget's limit.
+ *       used:
+ *         type: number
+ *         title: used
+ *         description: The budget's used.
+ * 
+*/
+