README.md: move services first

- put builder and hydra under services
- expand search and rryantm
- add community dns

README.md

@@ -2,14 +2,31 @@
 
 Welcome to the Nix Community infrastructure project. This project holds all the NixOS and Terraform configuration for this organization.
 
-## Community builder
+## Services
+
+### Community builder - build01.nix-community.org
 
 We also provide one x86 hetzner build machine as a public remote builder for the nix community, see [here](roles/builder/README.MD) for more information.
 
-## Hydra
+### Hydra - https://hydra.nix-community.org
 
 If you want to build your project in our hydra, add a new project in this [file](terraform/hydra-projects.tf).
 
+### Search - https://search.nix-community.org
+
+Hound code search for NixOS and nix-community GitHub organisations.
+
+### nix-community.org DNS
+
+DNS is managed by terraform in this [file](terraform/cloudflare_nix-community_org.tf).
+
+### ryantm-updater bot
+
+* Docs: https://ryantm.github.io/nixpkgs-update
+* Logs: https://r.ryantm.com/log/
+
+### matterbridge
+
 ## Support
 
 If you hit any issues, ping us on Matrix in the [nix-community](https://matrix.to/#/#nix-community:nixos.org) room (see the admin list below) or create an issue here:
@@ -33,13 +50,6 @@ As PRs from forks don't have automatic CI checks, admins can test PRs by posting
 * @zimbatm
 * @zowoq
 
-## Services
-
-* https://search.nix-community.org (hound) - on build03
-* https://hydra.nix-community.org - on build03
-* matterbridge - on build03
-* ryantm-updater bot - on build02
-
 ## Hosts
 
 See [HOSTS.md](HOSTS.md), this file also contains deployment details.