refactor file structure

hosts/radish/packages.nix

@@ -0,0 +1,44 @@
+{ pkgs, lib, inputs, ... }:
+{
+  nixpkgs.config.allowUnfree = true;
+  nixpkgs.overlays = [ (import ../../custom-pkgs { inherit lib inputs; }) ];
+
+  environment = {
+    systemPackages = with pkgs; [
+      vim
+      wget
+      curl
+      htop
+      tmux
+      libimobiledevice
+      ripgrep
+      fd
+    ];
+
+    pathsToLink = [ "/share/zsh" ];
+  };
+
+  services = {
+    tailscale = {
+      enable = true;
+      useRoutingFeatures = "client";
+    };
+
+    ollama = {
+      enable = false; # FIXME: https://github.com/NixOS/nixpkgs/issues/376930
+      acceleration = "rocm";
+      environmentVariables = {
+        HSA_OVERRIDE_GFX_VERSION = "11.0.3";
+      };
+    };
+  };
+
+  programs = {
+    zsh.enable = true;
+    _1password-gui = {
+      enable = true;
+      polkitPolicyOwners = [ "moco" ];
+    };
+    _1password.enable = true;
+  };
+}