Add links to docs and crates.io to README

README.md

@@ -1,5 +1,12 @@
 # bbqr-rust
 
+<p>
+    <a href="https://crates.io/crates/bbqr"><img alt="Crate Info" src="https://img.shields.io/crates/v/bbqr.svg"/></a>
+    <a href="https://github.com/SatoshiPortal/bbqr-rust/blob/master/LICENSE"><img alt="MIT Licensed" src="https://img.shields.io/badge/MIT-blue.svg"/></a>
+    <a href="https://github.com/SatoshiPortal/bbqr-rust/blob/trunk/.github/workflows/rust.yml"><img alt="CI Status" src="https://github.com/SatoshiPortal/bbqr-rust/workflows/Rust/badge.svg"></a>
+    <a href="https://docs.rs/bbqr"><img alt="Docs" src="https://img.shields.io/badge/docs.rs-green"/></a>
+</p>
+
 Implementaion of the bbqr spec in rust:
 
 https://github.com/coinkite/BBQr/blob/master/BBQr.md