add user blocking docs

docusaurus/video/docusaurus/docs/api/moderation/overview.mdx

@@ -435,4 +435,39 @@ curl -X POST https://video.stream-io-api.com/api/v2/moderation/ban?api_key=${API
 
 Deactivated users are no longer able to make any API call or connect to websockets (and receive updates on event of any kind).
 
-<DeactivateReactivate/>
+<DeactivateReactivate/>
+
+### User blocking
+
+Users can block other users using the API, when a user blocks another it will no longer receive ringing calls or notification from the blocked user.
+
+
+<Tabs groupId="examples">
+<TabItem value="js" label="JavaScript">
+
+```js
+```
+
+</TabItem>
+<TabItem value="py" label="Python">
+
+```py
+# alice blocks bob
+client.block_users(blocked_user_id=bob.id, user_id=alice.id)
+
+# list blocked users by alice
+response = client.get_blocked_users(user_id=alice.id)
+
+# alice unblocks bob
+client.unblock_users(blocked_user_id=bob.id, user_id=alice.id)
+```
+
+</TabItem>
+
+<TabItem value="curl" label="cURL">
+
+```bash
+```
+
+</TabItem>
+</Tabs>