feat: add performance profile, move things around somewhat

nixos/profiles/graphical/distributed.nix

@@ -0,0 +1,28 @@
+{config, ...}: {
+  programs.ssh.extraConfig = ''
+    Host daiyousei-build
+        HostName daiyousei.inskip.me
+        User root
+        IdentityAgent /run/user/${config.users.users.kat.uid}/gnupg/S.gpg-agent.ssh
+        ControlMaster auto
+        ControlPath ${config.users.users.kat.home}/.ssh/master-%r@%n:%p
+        ControlPersist 10m
+  '';
+  nix = {
+    buildMachines = [
+      {
+        hostName = "daiyousei-build";
+        system = "aarch64-linux";
+        protocol = "ssh-ng";
+        maxJobs = 100;
+        speedFactor = 1;
+        supportedFeatures = ["benchmark" "big-parallel" "kvm"];
+        mandatoryFeatures = [];
+      }
+    ];
+    distributedBuilds = true;
+    extraOptions = ''
+      builders-use-substitutes = true
+    '';
+  };
+}

nixos/profiles/performance/scx.nix

@@ -0,0 +1,7 @@
+{pkgs, ...}: {
+  services.scx = {
+    enable = true;
+    package = pkgs.scx_git.full;
+    scheduler = "scx_lavd";
+  };
+}

nixos/profiles/performance/zram.nix

@@ -0,0 +1,3 @@
+_: {
+  zramSwap.enable = true;
+}