Roadmap: make wifi guide as an optional step

Fixes: #704

Author: AdityaGarg8

docs/roadmap.md

@@ -60,7 +60,7 @@ Follow the [Pre-installation steps](https://wiki.t2linux.org/guides/preinstall)
 After successfully booting into your new installation, you will need to configure a few things:
 
 -   [Performing a basic setup](https://wiki.t2linux.org/guides/postinstall/)
--   [Getting Wi-Fi and Bluetooth to work](https://wiki.t2linux.org/guides/wifi-bluetooth/)
+-   [Getting Wi-Fi and Bluetooth to work (if not working after installation)](https://wiki.t2linux.org/guides/wifi-bluetooth/)
 -   [Install drivers for the fan (if not working automatically or want to force a certain speed)](https://wiki.t2linux.org/guides/fan/)
 -   [Configure audio](https://wiki.t2linux.org/guides/audio-config/)
 -   [Configure the Startup Manager (optional)](https://wiki.t2linux.org/guides/startup-manager/)