* ✨ Implement custom handling for callbacks with types
* ✨ Implement type-based handling for completion functions
* ✨ Add examples for custom completion
* 📝 Add docs for custom autocompletion
* ✅ Add tests for autocompletion
* ✨ Document using the context
* ✅ Add tests for using the context
* ✅ Add tests init for context
* 🔧 Update Mypy config
* ✅ Add extra tests for completion
* ✏️ Fix format, typos, and minor texts
* ✨ Update docs for printing, include stdout, stderr, and stdin
* ✏️ Add references to FastAPI, fix typos
* ✏️ Fix typo in Typer CLI
* 📝 Update docs for version
* 📝 Update docs for callbacks
* 📝 Update references to stdout/stderr in autocompletion
* 📝 Add docs for password in CLI option
* 📝 Add docs and tests for Testing
* 📝 Add new sections to docs
* 🎨 Fix formatting
