Align the FAQ docs with the faq_topics collection

docs/architektur.md

@@ -28,8 +28,8 @@ architecture. Never global.
 ## AE-2: Content in PocketBase, read per request (revised)
 
 **Decision:** All visible content lives in **PocketBase** (collections `pages`,
-`posts`, `events`, `faqs`); the app reads it over the REST API per request via a
-typed `PocketBaseClient`. Documents remain PDFs under `wwwroot`.
+`posts`, `events`, `faq_topics`, `faqs`); the app reads it over the REST API per
+request via a typed `PocketBaseClient`. Documents remain PDFs under `wwwroot`.
 
 **Original decision (stage 1):** Content as files in the repo — Markdown with YAML
 frontmatter, events as `Content/events.yml`. The rationale then was: no DB backup,