chore: update README.md

Author: hlzhang

README.md

@@ -1,5 +1,20 @@
+# protosocks
 
+Socks5 protocol lib in Rust  
 
+Its design goals are simplicity and robustness. Its design anti-goals include complicated compile-time computations, such as macro or type tricks, even at cost of performance degradation.  
+
+Features
++ RFC1928
++ RFC1929
++ IPv4
++ IPv6
+
+
+Test by using rust-lang Docker image
+`docker run --rm -it -v "${PWD}:/volume" --workdir "/volume" -e RUST_BACKTRACE=full -e RUST_LOG=debug rust:latest cargo test --lib -- --exact --nocapture --test-threads=1`
+
+Test different combinations of features
 ```shell script
 cargo test --no-default-features --features=proto-ipv4
 cargo test --no-default-features --features=proto-ipv6
@@ -10,9 +25,8 @@ cargo clippy --all --all-targets
 cargo fmt --all -- --check
 ```
 
-cargo-tarpaulin
+Generate test coverage report (cargo-tarpaulin)
 ```shell script
-docker run --rm -it -v "${PWD}:/volume" --workdir "/volume" -e RUST_BACKTRACE=full -e RUST_LOG=debug rust:latest cargo test --lib -- --exact --nocapture --test-threads=1
 docker run --rm -it --security-opt seccomp=unconfined -v "${PWD}:/volume" xd009642/tarpaulin sh -c "cargo tarpaulin --out Html"
 #docker run --rm -it --security-opt seccomp=unconfined -v "${PWD}:/volume" xd009642/tarpaulin sh -c "cargo tarpaulin --run-types Doctests --all"
 #docker run --rm -it --security-opt seccomp=unconfined -v "${PWD}:/volume" xd009642/tarpaulin sh -c "cargo tarpaulin --run-types Tests --all"