[Doc] Fix incorrect command

[huajsj]

build/html get moved into _docs, update related document.

[huajsj]

@driazati

[driazati]

the docs only get moved as part of task_python_docs.sh it looks like, did you see them moved after just running make html (which afaik we haven't customized at all so it just does the standard sphinx thing)? for running python tests/scripts/ci.py docs the folder does get moved but python tests/scripts/ci.py serve-docs should handle that

tvm/tests/scripts/task_python_docs.sh

Lines 166 to 167 in d92a773

	rm -rf _docs
	mv docs/_build/html _docs

[huajsj]

the docs only get moved as part of task_python_docs.sh it looks like, did you see them moved after just running make html (which afaik we haven't customized at all so it just does the standard sphinx thing)? for running python tests/scripts/ci.py docs the folder does get moved but python tests/scripts/ci.py serve-docs should handle that

tvm/tests/scripts/task_python_docs.sh

Lines 166 to 167 in d92a773

	rm -rf _docs
	mv docs/_build/html _docs

you are right, make html do not move the file, we should still use the path _build/html for native
fixed another issue that before "make html", should first go into "docs", the existing guide not mention this.

[huajsj]

@driazati, could help for the patch merge?