Add SSR support

Fix: github actions tag build

Chore: update dependencies and README.md

Chore: update dependencies and README.md

Feature: support relay (proxy chains) (#539)

Change: make ping under authentication

Chore: update dependencies

Improve: UDP relay refactor (#441)

Co-authored-by: Dreamacro <[email protected]>

Chore: update dependencies

Chore: update dependencies & fix typo