hosts/sarien: add swap

Signed-off-by: unexplrd <unexplrd@linerds.us>

hosts/sarien/configuration.nix

@@ -29,6 +29,20 @@
     command = "${pkgs.niri}/bin/niri-session";
   };
 
+  zramSwap.enable = true;
+  swapDevices = [
+    {
+      device = "/swap/swapfile";
+      size = 4 * 1024;
+      priority = 100;
+    }
+    {
+      device = "/swap/hibernate";
+      size = 16 * 1024;
+      priority = 0;
+    }
+  ];
+
   module = {
     config = {
       laptop.homeRowMods = true;