Cursor keys feature

[LagrangeH]

• You can now return to previous command inputs using the arrow buttons.
• Fixed a bug where an error was being logged when passing the help flag.

[LagrangeH]

@nomardt After review rebase and merge, please, if everything is ok

[nomardt]

Doesn't work

/home/markdan/.local/lib/python3.9/site-packages/requests/init.py:102: RequestsDependencyWarning: urllib3 (1.26.7) or chardet (5.0.0)/charset_normalizer (2.0.9) doesn't match a supported version! warnings.warn("urllib3 ({}) or chardet ({})/charset_normalizer ({}) doesn't match a supported " Traceback (most recent call last): File "/usr/bin/ais", line 8, in from models import ArgsNamespace, AI, InputListener File "/opt/openai-search/models.py", line 67, in class ArgsNamespace: File "/opt/openai-search/models.py", line 69, in ArgsNamespace source: Sequence[str] | str | None = None, TypeError: unsupported operand type(s) for |: '_GenericAlias' and 'type'