Add KCP support

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fourth"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = ["LI Rui <lr_cn@outlook.com>"]
 license = "Apache-2.0"
@@ -13,6 +13,8 @@ categories = ["web-programming"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+exclude = [".*"]
+
 [dependencies]
 log = "0.4"
 pretty_env_logger = "0.4"
@@ -21,4 +23,5 @@ serde_yaml = "0.8"
 futures = "0.3"
 tls-parser = "0.11"
 
-tokio = { version = "1.0", features = ["full"] }
+tokio = { version = "1.0", features = ["full"] }
+tokio_kcp = { git = "https://github.com/Matrix-Zhang/tokio_kcp", rev="d93a2f2" }