Enable the search bar for Reactor Netty reference doc

[pderop]

Expected Behavior

The reactor-netty antora doc is available from https://projectreactor.io/docs/netty/snapshot/reference/

Actual Behavior

The search bar is not yet enabled. When you type something in the search bar, you do not get anything.

Steps to Reproduce

Possible Solution

if I'm correct, the reactor-netty reference doc should be be crawled from algolia in order to enable the search bar ?