Updating tag 3.9.0 with correct rst file

chore: upgrade layers.rst to 3.8.0 versions

docs: update layers.rst

docs: update layers.rst

docs: update layers.rst

docs: update layers.rst

docs: update layers.rst

docs: Update layers.rst

docs: Update layers.rst

docs: Update layers.rst (#2602)

* Update layers.rst

* Add layers for cn-north-1 & cn-northwest-1

Signed-off-by: Anton Kukushkin <[email protected]>

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Signed-off-by: Anton Kukushkin <[email protected]>
Co-authored-by: Anton Kukushkin <[email protected]>