Update readme, gitignore

.gitignore

@@ -22,4 +22,6 @@
 !.env.*.example
 !*.env.example
 !*.env.*.example
+config/
+cache/
 # END reset-history environment exclusions

README.md

@@ -19,8 +19,7 @@ file is declared; sensitive application-managed state is stored under
 
 ## Dependencies and recovery
 
-- **Networks/dependencies:** Jellyfin uses the external `npm_proxy` network at `192.168.97.10` and the host `/
-dev/dri` device for hardware acceleration; no dependent services are declared
+- **Networks/dependencies:** Jellyfin uses the external `npm_proxy` network at `192.168.97.10` and the host `/dev/dri` device for hardware acceleration; no dependent services are declared
 - **Back up:** `/srv/appdata/jellyfin/config` and the separately managed media under `/data/Data1/jellyfin`
 - **Re-creatable:** the Jellyfin container and `/srv/appdata/jellyfin/cache`