luci-proto-amneziawg: add new package

[leninalive]

• [x] This PR is not from my main or master branch :poop:, but a separate branch :white_check_mark:
• [x] Each commit has a valid :black_nib: Signed-off-by: <[email protected]> row (via git commit --signoff)
• [x] Each commit and PR title has a valid :memo: <package name>: title first line subject for packages
• [x] Incremented :up: any PKG_VERSION in the Makefile
• [x] Tested on: armv8/22.03.5/Safari :white_check_mark:
• [x] ( Preferred ) Screenshot or mp4 of changes:
• [x] ( Optional ) Depends on: e.g. openwrt/packages#23633
• [x] Description: AmneziaWG VPN kernel module makes it resource efficient to connect to Amnezia VPN services. It is the hardened version of WireGuard protocol that allows to change key WG header values and add junk to handshake. This is the LUCI protocol package to manage AmneziaWG settings with GUI.