docs: update lock + general cleanup (apache#19350)

* docs: update lock file

* remove redundant npm lock file

* add missing peer deps

* fix TODO and bump antd

* fix API spec script

docs/README.md

@@ -24,7 +24,7 @@ This website is built using [Docusaurus 2](https://docusaurus.io/), a modern sta
 ### Installation
 
 ```
-$ yarn
+$ yarn install
 ```
 
 ### Local Development

docs/docs/api.mdx

@@ -9,7 +9,7 @@ global.Buffer = Buffer;
 import SwaggerUI from 'swagger-ui-react';
 import openapi from '/resources/openapi.json';
 import 'swagger-ui-react/swagger-ui.css';
-// import { Alert } from "antd";
+import { Alert } from 'antd';
 
 ## API
 
@@ -18,28 +18,16 @@ Superset's public **REST API** follows the
 documented here. The docs bellow are generated using
 [Swagger React UI](https://www.npmjs.com/package/swagger-ui-react).
 
-<!--
-  TODO: (corbinrobb) Uncomment Alert if/when antd gets added and remove Infima alert. Fix SwaggerUI readability in dark mode.
--->
-
-<!-- <Alert
+<Alert
   type="info"
   message={
-
     <div>
       <strong>NOTE! </strong>
       You can find an interactive version of this documentation on your local Superset
-      instance at <strong>/swagger/v1</strong> (if enabled)
+      instance at <strong>/swagger/v1</strong> (unless disabled)
     </div>
-
- }
-/> -->
-
-<div class="alert alert--info" role="alert">
-  <strong>NOTE! </strong>
-  You can find an interactive version of this documentation on your local Superset
-  instance at <strong>/swagger/v1</strong> (if enabled)
-</div>
+  }
+/>
 
 <br />
 <br />