docs: improve a few sections

.github/README.md

@@ -130,8 +130,8 @@
   ### Services
 
   | Topic                      | Program                                                                                                        |
-  |----------------------------|----------------------------------------------------------------------------------------------------------------|
-  |📖 **Books**                |  [Kavita](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/kavita.nix)                      |
+  |------------------------------|----------------------------------------------------------------------------------------------------------------|
+  |📖 **Books**                | [Kavita](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/kavita.nix)                       |
   |📼 **Videos**               | [Jellyfin](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/jellyfin.nix)                   |
   |🎵 **Music**                | [Navidrome](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/navidrome.nix) +  [Spotifyd](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/spotifyd.nix) +  [MPD](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/mpd.nix)                                                              |
   |🗨️ **Messaging**            | [Matrix](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/matrix.nix)                       |
@@ -143,8 +143,8 @@
   |👁️ **Monitoring**           | [Grafana](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/monitoring.nix)                  |
   |🍴 **RSS**                  | [FreshRss](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/freshrss.nix)                   |
   |🌳 **Git**                  | [Forgejo](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/forgejo.nix)                     |
-  |⚓ **Anki Sync**            | [Anki Sync Server](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/ankisync.nix)           |
-  |🪪 **SSO**                  | [Kanidm](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/kanidm.nix) + [oauth2-proxy](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/oauth2-proxy.nix)                                            |
+  |⚓ **Anki Sync**            | [Anki Sync Server](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/ankisync.nix)                      |
+  |🪪 **SSO**                  | [Kanidm](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/kanidm.nix) + [oauth2-proxy](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/oauth2-proxy.nix)           |
   |💸 **Finance**              | [Firefly-III](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/firefly-iii.nix)             |
   |🃏 **Collections**          | [Koillection](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/koillection.nix)             |
   |🗃️ **Shell History**        | [Atuin](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/atuin.nix)                         |
@@ -159,8 +159,11 @@
   |🐙 **Nix Build farm**       | [Attic](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/hydra.nix)                         |
   |🔑 **Cert-based SSH**       | [OPKSSH](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/opkssh.nix)                       |
   |🔨 **Home Asset Management**| [Homebox](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/homebox.nix)                     |
-  |👀 **DNS**                  | [NSD](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/nsd.nix)                             |
+  |👀 **DNS Records**          | [NSD](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/nsd.nix)                             |
   |✉️ **Mail**                 | [simple-nixos-mailserver](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/mailserver.nix)  |
+  |🚇 **VPN Access**           | [Firezone](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/firezone.nix)                   |
+  |🛡️ **Local DNS Resolver**   | [AdGuard Home](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/adguardhome.nix)                     |
+  |🛎️ **DHCP**                 | [Kea](https://github.com/Swarsel/.dotfiles/tree/main/modules/nixos/server/kea.nix)                             |
 
   ### Hosts
 

.github/workflows/build-and-deploy.yaml

@@ -27,6 +27,11 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y emacs-nox elpa-htmlize
 
+      - name: Prepare site images
+        run: |
+          mkdir -p site/files/topology
+          cp files/topology/topology_small.png site/files/topology/topology_small.png
+
       - name: Tangle files & export to HTML
         run: |
           emacs --batch \