docs: updates code and json field types to reflect internal switch to monaco-react editor

docs/fields/code.mdx

@@ -11,7 +11,7 @@ keywords: code, fields, config, configuration, documentation, Content Management
   The Code field type saves a string in the database, but provides the Admin panel with a code editor styled interface.
 </Banner>
 
-This field uses `prismjs` for syntax highlighting and `react-simple-code-editor` for the editor itself.
+This field uses the `monaco-react` editor syntax highlighting.
 
 ### Config
 
@@ -39,19 +39,7 @@ This field uses `prismjs` for syntax highlighting and `react-simple-code-editor`
 
 In addition to the default [field admin config](/docs/fields/overview#admin-config), the Code field type also allows for the customization of a `language` property.
 
-The following `prismjs` plugins are imported, enabling the `language` property to accept the following values:
-
-| Plugin                       | Language |
-| ---------------------------- | ----------- |
-| **`prism-css`**              | `css` |
-| **`prism-clike`**            | `clike` |
-| **`prism-markup`**           | `markup`, `html`, `xml`, `svg`, `mathml`, `ssml`, `atom`, `rss` |
-| **`prism-javascript`**       | `javascript`, `js` |
-| **`prism-json`**             | `json` |
-| **`prism-jsx`**              | `jsx` |
-| **`prism-typescript`**       | `typescript`, `ts` |
-| **`prism-tsx`**              | `tsx` |
-| **`prism-yaml`**             | `yaml`, `yml` |
+The [monaco-react](https://github.com/suren-atoyan/monaco-react) editor supports all of the languages supported by the [monaco-editor](https://github.com/microsoft/monaco-editor). The `language` property can be set to any of the languages listed [here](https://github.com/microsoft/monaco-editor/tree/main/src/basic-languages).
 
 ### Example
 
@@ -67,7 +55,7 @@ const ExampleCollection: CollectionConfig = {
       type: 'code', // required
       required: true,
       admin: {
-        language: 'js'
+        language: 'javascript'
       }
     }
   ]