feat(gh): add gh-copilot

horsch/github.nix

@@ -1,11 +1,21 @@
-{ ... }:
+{ pkgs, lib, ... }:
 
 {
-  programs.gh = {
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
-    enable = true;
+   "gh-copilot"
+  ];
 
-    settings = {
+  programs = {
-      git_protocol = "ssh";
+    gh = {
+      enable = true;
+
+      settings = {
+        git_protocol = "ssh";
+      };
+
+      extensions = with pkgs; [
+        gh-copilot
+      ];
     };
   };
 }