doc: update the roadmap

For #318

README.md

@@ -31,6 +31,8 @@ English | [中文](README_ZH.md)
 
 # 🚀 Features
 
+## 🦖 Milestone
+
 - [x] [High-performance](#-performance) event-driven looping based on a networking model of multiple threads/goroutines
 - [x] Built-in goroutine pool powered by the library [ants](https://github.com/panjf2000/ants)
 - [x] Lock-free during the entire runtime
@@ -43,8 +45,12 @@ English | [中文](README_ZH.md)
 - [x] Running on `Linux`, `macOS`, `Windows`, and *BSD: `Darwin`/`DragonFlyBSD`/`FreeBSD`/`NetBSD`/`OpenBSD`
 - [x] **Edge-triggered** I/O support
 - [x] Multiple network addresses binding
+
+## 🕊 Roadmap
+
 - [ ] **TLS** support
-- [ ] [io_uring](https://kernel.dk/io_uring.pdf) support
+- [ ] [io_uring](https://github.com/axboe/liburing/wiki/io_uring-and-networking-in-2023) support
+- [ ] **KCP** support
 
 ***Windows version of `gnet` should only be used in development for developing and testing, it shouldn't be used in production.***
 

README_ZH.md

@@ -31,6 +31,8 @@
 
 # 🚀 功能
 
+## 🦖 当前支持
+
 - [x] 基于多线程/协程网络模型的[高性能](#-性能测试)事件驱动循环
 - [x] 内置 goroutine 池，由开源库 [ants](https://github.com/panjf2000/ants) 提供支持
 - [x] 整个生命周期是无锁的
@@ -43,8 +45,12 @@
 - [x] 支持 `Linux`, `macOS`, `Windows` 和 *BSD 操作系统: `Darwin`/`DragonFlyBSD`/`FreeBSD`/`NetBSD`/`OpenBSD`
 - [x] **Edge-triggered** I/O 支持
 - [x] 多网络地址绑定
-- [ ] **TLS** 支持
-- [ ] [io_uring](https://kernel.dk/io_uring.pdf) 支持
+
+## 🕊 未来计划
+
+- [ ] 支持 **TLS**
+- [ ] 支持 [io_uring](https://github.com/axboe/liburing/wiki/io_uring-and-networking-in-2023)
+- [ ] 支持 **KCP**
 
 ***`gnet` 的 Windows 版本应该仅用于开发阶段的开发和测试，切勿用于生产环境***。