Post Install Setup: Added Shelly to the Updating the System section

Author: Aarrayy

src/assets/images/shelly-homepage.png

@@ -930,4 +930,4 @@ While graphical package managers offer convenience, certain ones are known to ca
 
 For maximum stability and reliability, we **highly recommend** managing system packages through the command line with `pacman`
 
-If you prefer a graphical interface, GUI front-ends like **[Octopi](</configuration/post_install_setup/#updating-the-system>)** or the **CachyOS Package Installer** are considered as safe alternatives, as they are more direct wrappers for pacman functionality.
+If you prefer a graphical interface, GUI front-ends like **[Shelly](</configuration/post_install_setup/#updating-the-system>)** or the **CachyOS Package Installer** are considered as safe alternatives, as they are more direct wrappers for pacman functionality.

src/assets/images/shelly-package-management.png

@@ -7,6 +7,7 @@ tableOfContents:
 ---
 
 import { Tabs, TabItem, Steps } from '@astrojs/starlight/components';
+import ImageComponent from '~/components/image-component.astro';
 
 ## Recommended Post-Installation Steps
 
@@ -18,6 +19,35 @@ Make sure to check our [Security & Best Practices](/cachyos_basic/faq#security--
 
 <Tabs>
 
+<TabItem label="Shelly (GUI & CLI)">
+
+    [Shelly](https://github.com/Seafoam-Labs/Shelly-ALPM) is a modern reimagination of the Arch Linux package manager, designed to be a more intuitive and user-friendly alternative to pacman and octopi.
+
+    Developed by: [Seafoam-Labs](https://github.com/Seafoam-Labs)
+
+    Allowing users to manage their packages without needing to use the terminal.
+
+    Some of the features of Shelly include:
+
+    Install/Uninstall packages from the AUR, official repositories, AppImages, Flatpaks and local packages, view package details, manage package groups, and more.
+
+    Check out the [Shelly's README for more details](https://github.com/Seafoam-Labs/Shelly-ALPM?tab=readme-ov-file#features)
+
+    Why choose Shelly over Octopi?
+    - It has a more modern and user-friendly interface.
+    - Continuous development and updates with new features and improvements.
+    - Supports more package formats (AUR, AppImages, Flatpaks, etc.
+
+    <details>
+        <summary>Shelly's Homepage Screenshot</summary>
+        <ImageComponent imgsrc={import('~/assets/images/shelly-homepage.png')} />
+    </details>
+    <details>
+        <summary>Package Management Tab</summary>
+        <ImageComponent imgsrc={import('~/assets/images/shelly-package-management.png')} />
+    </details>
+</TabItem>
+
 <TabItem label="Using Octopi (GUI)">
 
 Octopi is a graphical package manager for Arch-based distributions that provides a convenient way to manage packages and updates.