chore: expose system and hardware in flake

flake.nix

@@ -79,5 +79,14 @@
         ./local
         ./machines
       ];
+    }
+    // {
+      nixlab = {
+        system = ./modules/system;
+        hardware = {
+          incus = ./modules/hardware/incus.nix;
+          ms-01 = ./modules/hardware/ms-01.nix;
+        };
+      };
     };
 }

modules/system/apps/docker/default.nix

@@ -93,7 +93,7 @@ in
   config = lib.mkIf cfg.enable {
     assertions = [
       {
-        assertion = (!cfg.rootless) && cfg.startDockerSockProxy;
+        assertion = (!cfg.rootless) || (!cfg.startDockerSockProxy);
         message = "docker.sock proxy is currently only supported in root mode";
       }
     ];

modules/system/backup.nix

@@ -43,6 +43,7 @@ in
           };
         }
       );
+      default = [ ];
     };
     snapshotMountPath = lib.mkOption {
       type = lib.types.str;