feat(amd): add cider-2 to program list

- Added `cider-2` to the `programs` list in `default.nix` for extended functionality.
- Aligns with the existing pattern of including commonly used utilities.

systems/x86_64-linux/amd/default.nix

@@ -89,6 +89,7 @@ with lib.metacfg;
     tipp10
     uv
     vscode
+    cider-2
   ];
 
   zramSwap.enable = true;

systems/x86_64-linux/amd/hardware-configuration.nix

@@ -26,6 +26,14 @@
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
+  boot.kernelParams = [
+    "lockdown=confidentiality"
+    "quiet"
+    "splash"
+    "video=efifb:nobgrt"
+    "mitigations=off"
+  ];
+
   fileSystems."/" = {
     device = "/dev/disk/by-uuid/050c9912-36c3-4a65-ba8b-ba68e5171e18";
     fsType = "ext4";