> For the complete documentation index, see [llms.txt](https://phongthuy1993niit.gitbook.io/cach-tri-ho/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://phongthuy1993niit.gitbook.io/cach-tri-ho/master.md).

# Initial page