Docs: fix enhanced media card for Site Setup image

Author: Sneha-Goswami123

docs/mastering-plone/add-ons.md

@@ -6,7 +6,6 @@ myst:
     "property=og:title": "Extending Plone with add-on packages"
     "keywords": "Plone, Volto, add-on, customizing" 
 ---
-
 (add-ons-label)=
 
 # Extending Plone with add-on packages
@@ -151,9 +150,9 @@ An add-on can be enabled per Plone instance.
 In your browser, go to `Site Setup` at `http://localhost:3000/controlpanel`, and open the `Add-ons` Panel. You will see a list of available add-ons.
 
 ````{card}
-```{image} /_static/site_setup.png
+```{image} ../_static/site_setup.png
 :alt: Plone Site Setup control panel showing available configuration options
-:target: /_static/site_setup.png
+:target: ../_static/site_setup.png
 ```
 +++
 _Plone Site Setup control panel showing available configuration options._