Add travis ci

Author: ynqa

.travis.yml

@@ -0,0 +1,14 @@
+language: rust
+
+rust:
+  - stable
+  - beta
+  - nightly
+
+matrix:
+  allow_failures:
+    - rust: nightly
+
+script:
+  - cargo build
+  - cargo test -v

README.md

@@ -1,5 +1,6 @@
 # kubernetes-rust
 
+[![Build Status](https://travis-ci.com/ynqa/kubernetes-rust.svg?branch=master)](https://travis-ci.com/ynqa/kubernetes-rust)
 [![Client Capabilities](https://img.shields.io/badge/Kubernetes%20client-Bronze-blue.svg?style=plastic&colorB=cd7f32&colorA=306CE8)](http://bit.ly/kubernetes-client-capabilities-badge)
 [![Client Support Level](https://img.shields.io/badge/kubernetes%20client-beta-green.svg?style=plastic&colorA=306CE8)](http://bit.ly/kubernetes-client-support-badge)