website/integrations: add offline_access scope to DokuWiki (#10208)

* Add offline_access scope to DokuWiki

Since 2024.2, authentik requires the offline_access scope to be enabled and requested in order for DokuWiki to request a refresh token.

Signed-off-by: Peter Kuehne <pkuehne@users.noreply.github.com>

* Update index.md

Signed-off-by: Peter Kuehne <pkuehne@users.noreply.github.com>

---------

Signed-off-by: Peter Kuehne <pkuehne@users.noreply.github.com>
Co-authored-by: Marc 'risson' Schmitt <marc.schmitt@risson.space>

website/integrations/services/dokuwiki/index.md

@@ -38,7 +38,7 @@ For _Oauthgeneric_:
 -   plugin»oauthgeneric»tokenurl: https://authentik.company/application/o/token/
 -   plugin»oauthgeneric»userurl: https://authentik.company/application/o/userinfo/
 -   plugin»oauthgeneric»authmethod: Bearer Header
--   plugin»oauthgeneric»scopes: email, openid, profile
+-   plugin»oauthgeneric»scopes: email, openid, profile, offline_access
 -   plugin»oauthgeneric»needs-state: checked
 -   plugin»oauthgeneric»json-user: preferred_username
 -   plugin»oauthgeneric»json-name: name
@@ -60,6 +60,8 @@ In authentik, under _Providers_, create an _OAuth2/OpenID Provider_ with these s
 
 Note the _client ID_ and _client secret_, then save the provider. If you need to retrieve these values, you can do so by editing the provider.
 
+To prevent users from needing to log in again as soon as the access token expires, include the _offline_access_ scope in both authentik and DokuWiki. This scope allows DokuWiki to use refresh tokens.
+
 ### Application
 
 In authentik, create an application which uses this provider. Optionally apply access restrictions to the application using policy bindings.