📌 overlay for tailscale

shell.nix

@@ -1,6 +1,9 @@
 let
   sources = import ./nix/sources.nix;
-  pkgs = import sources.nixpkgs { };
+  pkgs = import sources.nixpkgs {
+    overlays = [ (import ./overlays) ];
+    config = { };
+  };
 in
 pkgs.mkShell {
   name = "athens";