docs: preparations for preview (#7267)

* configured base paths + added development banner

* fix typelist site url

* added navbar and sidebar badges

* configure algolia filters

* remove AI assistant

* remove unused imports

* change navbar text and badge

* lint fixes

* fix build error

* add to api reference rewrites

* fix build error

* fix build errors in user-guide

* fix feedback component

* add parent title to pagination

* added breadcrumbs component

* remove user-guide links

* resolve todos

* fix details about authentication

* change documentation title

* lint content

www/apps/api-reference/.env.sample

@@ -15,4 +15,5 @@ ANALYZE_BUNDLE=
 NEXT_PUBLIC_AI_ASSISTANT_URL=
 NEXT_PUBLIC_AI_WEBSITE_ID=
 NEXT_PUBLIC_AI_API_ASSISTANT_RECAPTCHA_SITE_KEY=
-NEXT_PUBLIC_VERSIONING=
+NEXT_PUBLIC_VERSIONING=
+NEXT_PUBLIC_SHOW_V2=