add 200 response to member create, update readme and .ruby-version (#150)

* add 200 response to member create, update readme

* change quotation type

* Remove links to private docs/repos

---------

Co-authored-by: Nicki Nixon <nicki.nixon@mx.com>

Author: nickitza

.ruby-version

@@ -1 +1 @@
-ruby-3.0.0
+ruby-3.1.0

README.md

@@ -2,7 +2,11 @@
 
 # MX's OpenAPI Specification
 
-This repository contains the OpenAPI specification for the [MX Platform API](https://docs.mx.com/api).
+This repository contains the OpenAPI specification for the [MX Platform API](https://docs.mx.com/api). Changes here will also need to be added to the MX doc site; they are not currently auto-synced.
+
+# Client Libraries
+
+To keep the client SDKs up to date with any changes made here, please see Platform API SDK Client Libraries article in Confluence.
 
 ### Development
 

openapi/mx_platform_api.yml

@@ -6364,6 +6364,12 @@ paths:
           metadata) and required parameters (credentials and institution_code)
         required: true
       responses:
+        "200":
+          content:
+            application/vnd.mx.api.v1+json:
+              schema:
+                "$ref": "#/components/schemas/MemberResponseBody"
+          description: OK
         "202":
           content:
             application/vnd.mx.api.v1+json: