refactor: Modularise Nginx vhosts

README.org

@@ -67,6 +67,20 @@ Where =default.nix= returns an attrset of form
 }
 #+end_src
 
+*** ~modules/~
+
+#+begin_example
+modules
+├── home
+│   └── «Various home-manager modules»…
+└── nixos
+    ├── defaults
+    │   └── «NixOS modules that are *enabled by default*»…
+    ├── deertopia
+    │   └── «NixOS modules that are *specific to Deertopia*»…
+    └── «Various NixOS modules»…
+#+end_example
+
 ** Impermanence and persistence
 
 I use impermanence to wipe most of my filesystem on boot.