Bang Le

Hi guys, I am quite interested in this issue. If you guys dont mind, I can continue this PR. @didiermichel @afdesk . Cheers,

@didiermichel Can you please grant my permission to update your branch? @afdesk Im gonna add a tutorial for this, something likes https://gist.github.com/congbang-le/93f8651b0479ec86c7cc97ae9e520516 . What do you think about this? And...

@didiermichel thanks for granting my permission. @afdesk I put the tutorial in this path `docs/tutorials/additional-resources/shell-completion.md`. Is that okay to you? Is there anything else I can help?

@medvednikov Hi there, I added Vietnamese translation in this PR. Can you take a look? Thanks~