ci: add Travis badge

Author: coderbyheart

README.md

@@ -1,6 +1,7 @@
 # [Codebreeze](https://codebreeze.fi) website
 
 [![Netlify Status](https://api.netlify.com/api/v1/badges/3455a06c-0a08-4d91-8536-e6c7433a1a0e/deploy-status)](https://app.netlify.com/sites/festive-raman-68b228/deploys)
+[![Build Status](https://travis-ci.org/codefreezefi/codebreeze.fi.svg?branch=saga)](https://travis-ci.org/codefreezefi/codebreeze.fi)
 [![Greenkeeper badge](https://badges.greenkeeper.io/codefreezefi/codebreeze.fi.svg?token=9f0ce8d46ec055d9c898027fa03dbf168da47358b0a7c56d5cf024c227c0a57b&ts=1559900520843)](https://greenkeeper.io/)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
 [![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)