Update README.md

README.md

@@ -1,6 +1,11 @@
 nowasm
 ======
 
+[![nowasm](https://img.shields.io/crates/v/nowasm.svg)](https://crates.io/crates/nowasm)
+[![Documentation](https://docs.rs/nowasm/badge.svg)](https://docs.rs/nowasm)
+[![Actions Status](https://github.com/sile/nowasm/workflows/CI/badge.svg)](https://github.com/sile/nowasm/actions)
+![License](https://img.shields.io/crates/l/nowasm)
+
 - https://www.w3.org/TR/wasm-core-1/
 - https://github.com/WebAssembly/spec/tree/main/test/core
 - https://github.com/WebAssembly/sign-extension-ops/blob/master/proposals/sign-extension-ops/Overview.md
@@ -11,6 +16,6 @@ nowasm
 TODO until v0.1.0
 -----------------
 
-- [ ] Add validation phase
+- [ ] Add validation phase (TBD)
 - [ ] Add doc comments
-- [ ] Add tests
+- [ ] Add more tests