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