ruby-shell 2.9.0

A shell written in Ruby with extensive tab completions, aliases/nicks, history, syntax highlighting, theming, auto-cd, auto-opening files and more. UPDATE v2.9.0: AI integration! Use @ for AI text responses and @@ for AI command suggestions. Works with local Ollama or external providers like OpenAI. v2.8.0: Enhanced help system, :info command, and easier nick management. v2.7.0: Ruby Functions, job control, command substitution, and more.