architect: added LLM module

hosts/architect/llm.nix

@@ -0,0 +1,38 @@
+{ config, ... }:
+
+let
+  domain = "pino.giugl.io";
+  backendPort = 3000;
+  frontendPort = 3002;
+in
+{
+  architect.vhost.${domain} = {
+    dnsInterfaces = [ "tailscale" ];
+
+    locations."/" = {
+      host = "172.17.0.1";
+      port = frontendPort;
+      allowLan = true;
+      allow = [ config.architect.networks."tailscale".net ];
+    };
+  };
+
+  virtualisation.oci-containers = {
+    containers = {
+      big-agi = {
+        image = "ghcr.io/enricoros/big-agi:main";
+        autoStart = true;
+
+        ports = [
+          "172.17.0.1:${toString frontendPort}:${toString backendPort}"
+        ];
+        environmentFiles = [
+          "/var/lib/llm/big-agi.env"
+        ];
+        extraOptions = [
+          "--pull=always"
+        ];
+      };
+    };
+  };
+}