docs: document homelab services, deployment, and repository review

searxng/README.md

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+# SearXNG
+
+Search frontend with a separate Valkey cache.
+
+Kubernetes keeps the application settings in a ConfigMap and starts Valkey as a
+StatefulSet. Set the secret from the example before exposing the search endpoint.
+There is no active marker.
+
+Compose expects local configuration under `core-config/`, which is ignored.
+Prepare it before starting the stack; a container image alone does not supply
+this lab's settings.
+
+## Inspect
+
+From the repository root:
+
+```sh
+kubectl get pods,svc,pvc -n searxng
+kubectl get events -n searxng --sort-by=.metadata.creationTimestamp
+```
+
+See the [repository README](../README.md) for deployment selection.