README.md: Add Amnezia VPN to Others (#4718)

README.md

@@ -116,6 +116,7 @@
   - [XrayR-release](https://github.com/XrayR-project/XrayR-release)
   - [XrayR-V2Board](https://github.com/missuo/XrayR-V2Board)
 - Cores
+  - [Amnezia VPN](https://github.com/amnezia-vpn)
   - [mihomo](https://github.com/MetaCubeX/mihomo)
   - [sing-box](https://github.com/SagerNet/sing-box)