Added guide for the Emerald theme

src/content/docs/desktop_environments/kde.mdx

@@ -20,3 +20,11 @@ Once you have followed the guide. **Reboot or log out from KDE Plasma.**
 
 - **After disabling KWallet i had to relogin from all the services. Is that normal?**
   - Yes. That usually happens when you have already created a password for the KWallet. Just log in to your accounts again and the credentials will then be saved without the password prompt.
+
+### How can i get the same look as the one shown in the KDE Screenshots? named as "Emerald"
+
+- **It's a combination of the Emerald Theme + Qogir Icon Theme which they're not installed by default.**
+  - ```sh title='Install both with the following command'
+    sudo pacman -S cachyos-emerald-kde-theme-git qogir-icon-theme
+    ```
+  **Apply both in the System Settings**