🚚 merges configs into one file

Author: marcelobasso

docs/_sidebar.md

@@ -1,5 +1,6 @@
 -   [Low-End Nets](/)
--   [LoRa Settings](lora/lora-settings.md)
--   [Programmable Layer](p4/programmable-layer.md)
--   [Network Services](services/services.md)
--   [Setup scripts](setup/setup.md)
+-   [LoRa Settings](lora-settings.md)
+-   [Programmable Layer](programmable-layer.md)
+-   [Prototype configs](configs.md)
+-   [Firewall (iptables)](firewall.md)
+-   [Network Services](services.md)