feat(check): support specifying directories

[Isvane]

Description

Close #1407

Add support for specifying dir for lx check.
Happy to receive any feedback about the implementation 🙏

Changes:

• Modified argument parsing for the check command to accept path target
• Reused PathTarget and classify_path

• Fits CONTRIBUTING.md.
• Fits No LLM / No AI Policy.

[Isvane]

man... accidentally pressed delete 🗿

[Isvane]

Hmm... I just realized fmt already use -p for package. Probably should be changed to short = k instead for package if we want to make the -p consistent for path? 🤔

[mrcjkb]

Hmm... I just realized fmt already use -p for package. Probably should be changed to short = k instead for package if we want to make the -p consistent for path? 🤔

Good call! Let's get rid of the short flag for now.

[mrcjkb]

• 31d8cd8
• ec7509f

[Isvane]

short flag removed 🫡