home-environment: enable home aliases for nushell

[jaredmontoya]

Description

Automatically adds home.shellAliases to nushell aliases because they are supposed to be shell agnostic and work in bash,zsh,fish AND nushell.

If a bash-only alias was added by the user to home.shellAliases and it causes problems with nushell then it's a user error and such aliases should be moved to programs.bash.shellAliases by the user.

Checklist

• Change is backwards compatible.

• Code formatted with ./format.

• Code tested through nix-shell --pure tests -A run.all
  or nix build --reference-lock-file flake.lock ./tests#test-all using Flakes.

• Test cases updated/added. See example.

• Commit messages are formatted like

  {component}: {description}
  
  {long description}
  

  See CONTRIBUTING for more information and recent commit messages for examples.

• If this PR adds a new module

  • Added myself as module maintainer. See example.

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