apps: linux: add Traefik

Not yet with MPTCP enabled by default, but soon hopefully.

Link: traefik/traefik#11532
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>

Author: matttbe

apps.md

@@ -30,6 +30,7 @@ mentioned. Please note that other apps can be forced to use it by following
 | [Shadowsocks Go](https://github.com/database64128/shadowsocks-go) | [v1.9.0](https://github.com/database64128/shadowsocks-go/commit/49a094a3722a) | [`servers.tcpListeners.multipath`](https://github.com/database64128/shadowsocks-go/blob/673cc9217ef5/docs/config.json#L33), [`clients.multipathTCP`](https://github.com/database64128/shadowsocks-go/blob/673cc9217ef5/docs/config.json#L297) |
 | [sing-box](https://sing-box.sagernet.org) | [v1.4.0](https://github.com/SagerNet/sing-box/commit/1019ecfdcfb7) | [`"tcp_multi_path": true`](https://sing-box.sagernet.org/configuration/shared/listen/#tcp_multi_path) |
 | [SystemD](https://systemd.io/) | [v257](https://github.com/systemd/systemd/pull/32958) | [`SocketProtocol=mptcp`](https://www.freedesktop.org/software/systemd/man/latest/systemd.socket.html) (`[Socket]` section) |
+| [Traefik](https://traefik.io) | [v2.10.5](https://github.com/traefik/traefik/releases/tag/v2.10.5) | Controllable with [`GODEBUG=multipath=`](https://go.dev/doc/godebug) |
 | [v2ray-core](https://github.com/v2fly/v2ray-core) | [v5.17.0](https://github.com/v2fly/v2ray-core/pull/3109) | [`"mptcp": true`](https://www.v2fly.org/en_US/config/transport.html#sockoptobject) |
 | [Valkey](https://valkey.io) | [v8.2.0](https://github.com/valkey-io/valkey/pull/1811) | [`mptcp yes`](https://github.com/valkey-io/valkey/commit/4a92db917858696120c9ef078b08f8e17c21125b#diff-dd9a6c95849b36490b9bae44e9f0d3dbcd7a93080cf2d5aee6d6033586ab8fa4R158) |