Need an option to manually set a custom endpoint_addr for WireGuard

[Evilmass]

Some IDCs cannot connect to the engage.cloudflareclient.com:2408
I have checked the doc

  "peers": [
    {
      "address": "127.0.0.1",
      "port": 10001,
      "public_key": "",
      "pre_shared_key": "",
      "allowed_ips": [],
      "persistent_keepalive_interval": 0,
      "reserved": [0, 0, 0],
      "endpoint_addr": "162.159.193.1:4500" <- here
    }