> For the complete documentation index, see [llms.txt](https://huongdan.edutek.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://huongdan.edutek.io/master.md).

# Lời giới thiệu

![](/files/BrzIeWVKvo9FCgtdUfog)