Add Support AmneziaWG 2.0

[Aleks-Z]

AmneziaWG - a fork of original WireGuard with additional obfuscation features

Description from author:
AmneziaWG is a fork of WireGuard-Go, inheriting the architectural simplicity and high performance of the original implementation, but eliminating the identifiable network signatures that make WireGuard easily detectable by Deep Packet Inspection (DPI) systems.

On the moment the last version is 2.0

Official doc: https://docs.amnezia.org/documentation/amnezia-wg/

Reference for code from another android app:
https://github.com/amnezia-vpn/amneziawg-android
https://github.com/wgtunnel/android

[dyhkwong]

• It is a VPN protocol rather than a peoxy protocol, which means only the payload of TCP and UDP can be supported. If a VPN protocol is used as a proxy protocol, it will be functionally impaired and the performance will be extremely poor. WireGuard is supported only because it is a industry standard and it is applicable to the grandfather clause.
• It only adds some stupid obfuscation headers to the existing protocol and it was claimed DPI-resistent, but it can't suvive from basic traffic analysis, active probing, and header tampering at all.
• It does not even have a protocol specification and it is a business VPN.