Links not found in RAK 7243c documentation for building independent LoRaserver

[james_kakes (james)]

1. http://docs.rakwireless.com/en/LoRa/LoRa-Server-OS/guide/Build_an_independe
   nt_LoRaServer_by_yourself.pdf
2. https://www.rakwireless.com/en/download/LoRa/LoRa-Server-OS

I want to build my own independent LoRaServer so required this image but the link is not found.