will you add a param to define whether the index is auto folded or not

[EriChang]

now the index is defaultly not folded, and if i have many content, that page will be very large, so i hope will you add a param where i can set if my index is auto folded or not, i will consider this will be a lot conveniont.

[Aleen]

Has supported under the version 3.0.2 and set the option collapsed as true (false by default). @Mr-nazyw