Update update-athena.mdx

src/content/docs/en/installation/update-athena.mdx

@@ -4,15 +4,17 @@ description: How to update Athena OS.
 ---
 import ImageComponent from "@components/ImageComponent.astro";
 import ThemedImage from '@components/ThemedImage.astro';
+import { Tabs, TabItem } from '@astrojs/starlight/components';
 
-### Athena Arch
+<Tabs>
+<TabItem label="Athena Arch">
 To upgrade the system and all the packages, run:
 ```shell
 sudo pacman -Syyu
 ```
 and reboot.
-
-### Athena Nix
+</TabItem>
+<TabItem label="Athena Nix">
 The update process requires the update of nix channel by:
 ```shell
 sudo nix-channel --update
@@ -22,5 +24,7 @@ This command allows the system to retrieve all the latest information about the
 sudo nixos-rebuild switch
 ```
 to update the system.
+</TabItem>
+</Tabs>
 
-<ImageComponent />
+<ImageComponent />