Updated docs links, added docs.rs badge.

Author: davechallis

Cargo.toml

@@ -7,6 +7,7 @@ repository = "https://github.com/davechallis/rust-xgboost"
 homepage = "https://github.com/davechallis/rust-xgboost"
 description = "Machine learning using XGBoost"
 documentation = "https://docs.rs/xgboost"
+readme = "README.md"
 
 [dependencies]
 xgboost-sys = "0.1"

README.md

@@ -1,9 +1,12 @@
 # rust-xgboost
 
 [![Travis Build Status](https://travis-ci.com/davechallis/rust-xgboost.svg?branch=master)](https://travis-ci.com/davechallis/rust-xgboost)
+[![Documentation link](https://docs.rs/xgboost/badge.svg)](https://docs.rs/xgboost/badge.svg)
 
 Rust bindings for the [XGBoost](https://xgboost.ai) gradient boosting library.
 
+* [Documentation](https://docs.rs/xgboost)
+
 Basic usage example:
 
 ```rust

xgboost-sys/Cargo.toml

@@ -7,6 +7,7 @@ build = "build.rs"
 license = "MIT"
 repository = "https://github.com/davechallis/rust-xgboost"
 description = "Native bindings to the xgboost library"
+readme = "README.md"
 
 [dependencies]
 libc = "0.2"