Add badges in lax README

Author: termoshtt

lax/README.md

@@ -1,6 +1,9 @@
 Linear Algebra eXtension (LAX)
 ===============================
 
+[![crates.io](https://img.shields.io/badge/crates.io-lax-blue)](https://crates.io/crates/ndarray-linalg)
+[![docs.rs](https://docs.rs/lax/badge.svg)](https://docs.rs/ndarray-linalg)
+
 ndarray-free safe Rust wrapper for LAPACK FFI for implementing ndarray-linalg crate.
 This crate responsibles for