misc: fix pre-commit config and update gitignore

[Tcc0403]

Fix #46

After this fix, we can install three hooks correctly, and vscode config directory is added to gitignore.

❯ uv run pre-commit uninstall
pre-commit uninstalled
❯ uv run pre-commit install
pre-commit installed at .git/hooks/pre-commit
❯ uv run pre-commit run -a
[INFO] Installing environment for https://github.com/astral-sh/uv-pre-commit.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
uv-lock..................................................................Passed
ruff check...............................................................Passed
ruff format..............................................................Passed