feat: update default ports for SITE_UI_URL and SITE_API_URL

* The configuration defaults now include the port for both URLs.
* Ensure proper access to the site and API endpoints.

Author: Samk13

docs/releases/vNext/upgrade-vNext.md

@@ -475,6 +475,16 @@ If you've customized any of these vocabularies for your instance, you'll need to
 
 ### Required changes
 
+The configuration defaults now include the port for both `SITE_UI_URL` and `SITE_API_URL`:
+
+```diff
+-SITE_UI_URL = "https://127.0.0.1"
++SITE_UI_URL = "https://127.0.0.1:5000"
+
+-SITE_API_URL = "https://127.0.0.1/api"
++SITE_API_URL = "https://127.0.0.1:5000/api"
+```
+
 #### Overridable IDs in the deposit form
 
 To improve consistency in naming conventions and structure, some IDs of Overridables in the deposit form have been modified. If you are overriding any of these components, you will need to change the ID in your mapping file to reflect these modifications.