Enhance README and add details about demo library configuration

README.md

@@ -1,6 +1,13 @@
-# k8s
+# Kiwix operations
 
-Kiwix Kubernetes Cluster
+This repo concerns most of the infrastructure behind openzim.org and kiwix.org domains, and few other ones.
 
-[![CodeFactor](https://www.codefactor.io/repository/github/kiwix/k8s/badge)](https://www.codefactor.io/repository/github/kiwix/k8s)
+This repo contain:
+- configuration used to deploy Kiwix Kubernetes Cluster
+- few scripts used for maintenance / deployment
+- [issues](https://github.com/kiwix/operations/issues) linked to Kiwix infrastructure
+- [wiki](https://github.com/kiwix/operations/wiki) linked to Kiwix infrastructure
 
+## Demo library
+
+Demos served at https://demo.library.kiwix.org are configured in this repo, see https://wiki.openzim.org/wiki/Content_team#Demo_a_ZIM for details about how to setup a new demo.