"[ghost] Removes ghost demo."

This reverts commit 03e34d52cff747e1f1527f138fa672010085d2f5.

system/hosts/mcp/containers.nix

@@ -3,6 +3,7 @@
 {
   # Additional configuration
   imports = [
+    ./containers/dm-companion.nix
     ./containers/freshrss.nix
     ./containers/gitea.nix
     ./containers/grafana.nix

system/hosts/mcp/containers/dm-companion.nix

@@ -0,0 +1,35 @@
+{ config, ... }:
+let
+  inherit (import ./lib.nix config) mkContainer localHostRule havenisms;
+in
+{
+  virtualisation.oci-containers.containers = {
+    dm-companion-pocketbase =
+      let
+        hostName = "dm-pocketbase";
+      in
+      mkContainer {
+        inherit hostName;
+        image = "docker.havenisms.com/lazy-dm/pocketbase";
+        port = 8080;
+        volumes = [
+          "dm-companion:/pb/pb_data"
+        ];
+        environment = { };
+        extraLabels = {
+          "traefik.http.routers.${hostName}-api.rule" =
+            "PathPrefix(`/api`) && ${localHostRule "dm" havenisms}";
+          "traefik.http.routers.${hostName}-api.service" = "${hostName}";
+        };
+      };
+    dm-companion = mkContainer {
+      hostName = "dm";
+      image = "docker.havenisms.com/lazy-dm/app";
+      port = 80;
+      dependsOn = [
+        "dm-companion-pocketbase"
+      ];
+      volumes = [ ];
+    };
+  };
+}

system/hosts/mcp/containers/lib.nix

@@ -40,6 +40,7 @@ in
       user ? null,
       extraOptions ? [ ],
       oauthProxy ? false,
+      extraLabels ? { },
     }:
     let
       routerRule = if public then hostRule hostName domain else localHostRule hostName domain;
@@ -76,7 +77,8 @@ in
           "traefik.http.services.${hostName}.loadbalancer.server.port" = "${toString port}";
         }
         // oauthLabels
-        // homepageLabels;
+        // homepageLabels
+        // extraLabels;
     };
 
   # Creates a MariaDB container for a specific app. It should be safe to give