Long range security keys should be configurable via environment variables.

[jcustenborder]

Is your feature request related to a problem? Please describe.

When deploying via docker you can set the network keys via environment variables. This is not the case with the new long range keys. The code is only looking for the standard keys.

A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

I cannot configure the long range keys using environment variables via docker.

Describe the solution you'd like

Add support to read environment variables for the long range keys. Maybe something like KEY_LR_S2_Authenticated and KEY_LR_S2_AccessControl.