[doc] Add a brief description for using `offset`. [skip ci]#10996

Merged

trivialfis merged 4 commits intodmlc:masterfrom trivialfis:doc-offset

Nov 17, 2024

+60-24

Commits on Nov 13, 2024

Commits on Nov 17, 2024

Cleanup the symbols [skip ci]
trivialfis
committed