Support zero-copy training from Python package#128

Draft

Chuxiaof wants to merge 3 commits intomodelfoxdotdev:mainfrom Chuxiaof:main

+750-55

Commits on Sep 12, 2022

support training from Python package
Chuxiaof
committed

Commits on Oct 9, 2022

Arrow array support
Chuxiaof
committed

Commits on Nov 10, 2022

load table from arrow stream reader
Chuxiaof
committed