refactor: move crumb bash to msyds

modules/home/users/msyds/bash.nix

@@ -1,15 +1,17 @@
 { config, lib, pkgs, ... }:
 
 let
-  cfg = config.sydnix.users.crumb.bash;
+  cfg = config.sydnix.users.msyds.bash;
 in {
-  options.sydnix.users.crumb.bash.enable = lib.mkEnableOption "Bash, à la crumb";
+  options.sydnix.users.msyds.bash.enable =
+    lib.mkEnableOption "Bash, à la msyds";
   config = lib.mkIf cfg.enable {
     programs.bash = {
       enable = true;
       shellOptions = [
         # Correct minor typos in cd commands.
         "cdspell"
+        # Implicitly prepend `cd` to directory names.
         "autocd"
         # Extra glob power.
         "extglob"

users/msyds/default.nix

@@ -52,7 +52,6 @@
         };
         # Personal configurations.
         users.crumb = {
-          bash.enable = true;
           direnv.enable = true;
           git.enable = true;
           nvim.enable = true;
@@ -68,6 +67,7 @@
         };
         users.msyds = {
 	  discord.enable = true;
+          bash.enable = true;
           hunspell.enable = true;
           emacs.enable = true;
           impermanence.enable = true;