doc: Add badges

Author: lu-zero

README.md

@@ -1,5 +1,13 @@
 # [![logo](https://github.com/sifis-home/wot/raw/master/assets/wot-rust-icon.svg)](https://docs.rs/wot-td) wot-discovery
 
+[![LICENSE](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSES/MIT.txt)
+[![Build Status](https://github.com/wot-rust/wot-discovery/workflows/wot-discovery/badge.svg)](https://github.com/wot-rust/wot-discovery/actions)
+[![Crates.io](https://img.shields.io/crates/v/wot-discovery.svg)](https://crates.io/crates/wot-discovery)
+[![dependency status](https://deps.rs/repo/github/wot-rust/wot-discovery/status.svg)](https://deps.rs/repo/github/wot-rust/wot-discovery)
+[![Documentation](https://docs.rs/wot-discovery/badge.svg)](https://docs.rs/wot-discovery/)
+[![codecov](https://codecov.io/gh/wot-rust/wot-discovery/branch/master/graph/badge.svg?token=9BQ8O6UW84)](https://codecov.io/gh/wot-rust/wot-discovery)
+[![wot discord](https://img.shields.io/badge/wot-discord-blue)](https://discord.gg/5zy68ukBrv)
+
 Tiny implementation of WoT [Discovery](https://www.w3.org/TR/wot-discovery/).
 
 ## Supported Introduction Mechanisms