[FS#1161] Add Pre Shared Key to luci-proto-wireguard

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - LLEACHII (lleachii) 

Attached to Project - LEDE Project
Summary - Add Pre Shared Key to luci-proto-wireguard
Task Type - Feature Request
Category - Packages
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Wireguard has the ability to use preshared key, in addition to the public key.

Please add the ability to place preshared key in peer configuration.


>From Wireguard man page:

"PresharedKey — a base64 preshared key generated by wg genpsk. Optional, and may be omitted. This option adds an additional layer of symmetric-key cryptography to be mixed into the already existing public-key cryptography, for post-quantum resistance."

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1161