[website] Add instructions on how to download translated docs (#4133)
[website] Add instructions on how to download translated docs (#4133)

* [website] Add instructions on how to download translated docs

* Adopt Jennifer's changes

* Update the README with more instructions

yahoo/pulsar,merlimat/pulsar,merlimat/pulsar,merlimat/pulsar,merlimat/pulsar,massakam/pulsar,merlimat/pulsar,massakam/pulsar,yahoo/pulsar,yahoo/pulsar,yahoo/pulsar,massakam/pulsar,massakam/pulsar,yahoo/pulsar,massakam/pulsar,yahoo/pulsar,massakam/pulsar,merlimat/pulsar