moved codex and opencode to master pkgs

users/richie/home/global.nix

@@ -1,6 +1,7 @@
 { config, ... }:
 {
   imports = [
+    ./llm_tools.nix
     ./cli
     ./programs.nix
     ./ssh_config.nix

users/richie/home/llm_tools.nix

@@ -0,0 +1,8 @@
+{ pkgs, ... }:
+{
+  home.packages = [
+    pkgs.claude-code
+    pkgs.master.codex
+    pkgs.master.opencode
+  ];
+}