docs: 添加 DNS 配置示例及相关参数说明 #52

Job	Run time
changes	5s
coverage	0s
build sdist	0s
lint	0s
test-debug ${{ matrix.python-version }}	0s
test MSRV	0s
test ${{ matrix.python-version }}	0s
build on ${{ matrix.os }} (${{ matrix.target }} - ${{ (matrix.interpreter \|\| 'all') }}${{ (((matrix.os == 'linux') && format(' - {0}', (((matrix.manylinux == 'auto') && 'manylinux') \|\| matrix.manylinux))) \|\| '') }})	0s
build pgo-optimized on ${{ matrix.os }} / ${{ matrix.interpreter }}	0s
test on ${{ matrix.os }}	0s
check	0s
test build on ${{ matrix.target }}-${{ matrix.distro }}	0s
inspect-pypi-assets	0s
test build on ${{ matrix.os }}	0s
release	0s
	5s

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