chore(docs): Generated API Reference (#2882)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

docs/api/admin/paths/regions_{id}_countries.yaml

@@ -14,17 +14,7 @@ post:
     content:
       application/json:
         schema:
-          type: object
-          required:
-            - country_code
-          properties:
-            country_code:
-              description: The 2 character ISO code for the Country.
-              type: string
-              externalDocs:
-                url: >-
-                  https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements
-                description: See a list of codes.
+          $ref: ../components/schemas/AdminPostRegionsRegionCountriesReq.yaml
   x-codeSamples:
     - lang: JavaScript
       label: JS Client
@@ -48,7 +38,7 @@ post:
             type: object
             properties:
               region:
-                $ref: ../components/schemas/region.yaml
+                $ref: ../components/schemas/Region.yaml
     '400':
       $ref: ../components/responses/400_error.yaml
     '401':