feat(bash): Set Bash shellopts

modules/home/users/crumb/bash.nix

@@ -7,10 +7,27 @@ in {
   config = lib.mkIf cfg.enable {
     programs.bash = {
       enable = true;
+      shellOptions = [
+        # Correct minor typos in cd commands.
+        "cdspell"
+        "autocd"
+        # Extra glob power.
+        "extglob"
+        # Recursive glob w/ **.
+        "globstar"
+        # Append to history file.
+        "histappend"
+        # Require user confirmation for commands using expansion.
+        "histverify"
+        # Re-edit failed history substitutions.
+        "histreedit"
+      ];
     };
 
     home.shellAliases = {
       nix2json = "nix eval --impure --json --file -";
+      "..." = "cd ../..";
+      "...." = "cd ../../..";
     };
   };
 }