Add tealdeer module

TODO.org

@@ -29,6 +29,11 @@ ctrl+shift+arrows
 ** aliases/scripts for upgrade/maintenance
 ** docker ctrl-p fix
 NixOS only, needs to be done at system level because user docker config.json may include auth information and therefore can't be Nix-managed
+** home manager activation scripts
+https://rycee.gitlab.io/home-manager/options.html#opt-home.activation
+*** build caches
+tldr -u
+
 * Linux
 ** Advanced key remapping
 *** interception-tools

nix/home.nix

@@ -33,6 +33,7 @@
     ./modules/git.nix
     ./modules/direnv.nix
     ./modules/emacs.nix
+    ./modules/tealdeer.nix
     ./modules/work.nix
     ./modules/dotfiles.nix
   ];

nix/modules/tealdeer.nix

@@ -0,0 +1,13 @@
+{ config, lib, pkgs, ... }:
+
+{
+  home.packages = with pkgs; [
+    tealdeer
+  ];
+
+  home.activation = {
+    updateTLDRCache = lib.hm.dag.entryAfter ["writeBoundary"] ''
+      $DRY_RUN_CMD ${pkgs.tealdeer}/bin/tldr -u
+    '';
+  };
+}