Add localization docs (#332)

Author: hahnbeelee

settings/global.mdx

@@ -103,17 +103,18 @@ settings. Learn more about the [properties](#properties) or from an
   Custom fonts. Apply globally or set different fonts for headings and the body
   text.
 
-  Example:
-  ```json
-  "font": {
-    "headings": {
-      "family": "Roboto"
-    },
-    "body": {
-      "family": "Oswald"
-    }
+Example:
+
+```json
+"font": {
+  "headings": {
+    "family": "Roboto"
+  },
+  "body": {
+    "family": "Oswald"
   }
-  ```
+}
+```
 
   <Expandable title="FontDetailsType">
     <ResponseField name="family" type="string" required>
@@ -196,10 +197,7 @@ settings. Learn more about the [properties](#properties) or from an
 <ResponseField name="search" type="Search">
   The location options for the search bar.
   <Expandable title="Search">
-    <ResponseField
-      name="location"
-      type={'"side" | "top"'}
-    >
+    <ResponseField name="location" type={'"side" | "top"'}>
       The location of the search bar.
     </ResponseField>
   </Expandable>
@@ -282,6 +280,41 @@ settings. Learn more about the [properties](#properties) or from an
 <ResponseField name="versions" type="string[]">
   Array of version names. Only use this if you want to show different versions
   of docs with a dropdown in the navigation bar.
+
+    Example:
+    <CodeGroup>
+
+```json Default
+"versions": ["v1.0", "v1.1"]
+```
+
+```json Localization
+"versions": [
+  {
+    "name": "English",
+    "locale": "en",
+  },
+  {
+    "name": "Español",
+    "locale": "es"
+  }
+]
+```
+
+    </CodeGroup>
+
+    <Expandable title="Version">
+      <ResponseField name="name" type="string" required>
+        The version name.
+      </ResponseField>
+      <ResponseField name="locale" type="string">
+        The locale of the version. Supported locales are `en`, `cn`, `es`, `fr`, `jp`, `pt`, `pt-BR`.
+      </ResponseField>
+      <ResponseField name="default" type="true">
+        Whether the version is the default version. Handy for when you have a "latest" and "stable" version and you want to default to the stable version.
+      </ResponseField>
+    </Expandable>
+
 </ResponseField>
 
 <ResponseField name="anchors" type="Anchor[]">