media: add cross-seed with nzbgeek config

custom_helm_charts/cross-seed/README.md

@@ -0,0 +1,17 @@
+# cross-seed
+
+Service endpoint:
+- cross-seed UI: cross-seed.default.svc.cluster.local:2468
+
+Config notes:
+- Config file is generated from values at `custom_helm_charts/cross-seed/templates/configmap.yaml`.
+- Update `helm-values/cross-seed_values.yaml` for qbittorrent URL, torznab list, and paths.
+
+Secrets:
+- Secret name: `cross-seed-secrets`
+- Required keys:
+  - `QBITTORRENT_USERNAME`
+  - `QBITTORRENT_PASSWORD`
+  - `NZBGEEK_API_KEY`
+
+After setting qBittorrent credentials and NZBGeek API key, restart the cross-seed deployment.