fix: SSH key fixes

users/lain/default.nix

@@ -19,14 +19,16 @@
       "$y$j9T$aEFDDwdTZbAc6VQRXrkBJ0$K8wxTGTWDihyX1wxJ.ZMH//wmQFfrGGUkLkxIU0Lyq8";
 
     openssh.authorizedKeys.keyFiles = [
-      ../../public-keys/crumb-at-guix-rebound.pub
-      ../../public-keys/crumble-at-fruitbook.pub
+      ../../public-keys/ssh/crumb-at-guix-rebound.pub
+      ../../public-keys/ssh/crumble-at-fruitbook.pub
+      ../../public-keys/ssh/crumb-at-nixos-testbed.pub
     ];
   };
 
   homeConfiguration = { config, lib, pkgs, ... }: {
     imports = [
       ../crumb/programs/nvim.nix
+      ./files.nix
     ];
 
     programs.bash.enable = true;