docs: Simplify packaging docs (#5116)

* Simplify packaging docs

Signed-off-by: Sherlock113 <sherlockxu07@gmail.com>

* ci: auto fixes from pre-commit.ci

For more information, see https://pre-commit.ci

* Add pyproject.toml config

Signed-off-by: Sherlock113 <sherlockxu07@gmail.com>

* Add project.dependencies

Signed-off-by: Sherlock113 <sherlockxu07@gmail.com>

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Signed-off-by: Sherlock113 <sherlockxu07@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>