feat(idols-ai): add ollama

modules/nixos/desktop/ai/default.nix

@@ -0,0 +1,3 @@
+{mylib, ...}: {
+  imports = mylib.scanPaths ./.;
+}

modules/nixos/desktop/ai/ollama.nix

@@ -0,0 +1,21 @@
+{
+  pkgs,
+  nixpkgs-ollama,
+  ...
+}: let
+  pkgs-ollama = import nixpkgs-ollama {
+    inherit (pkgs) system;
+    # To use cuda, we need to allow the installation of non-free software
+    config.allowUnfree = true;
+  };
+in {
+  services.ollama = rec {
+    enable = true;
+    package = pkgs-ollama.ollama;
+    acceleration = "cuda";
+    host = "127.0.0.1";
+    port = 11434;
+    home = "/var/lib/ollama";
+    models = "${home}/models";
+  };
+}