Remove travis config file and update readme with github tests badge

Author: rwhite27

.travis.yml

@@ -2,5 +2,4 @@
 SaasCanvas Ecosystem Library 
 
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/bakaphp/canvas-core/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/bakaphp/canvas-core/?branch=master)
-[![Build Status](https://travis-ci.com/bakaphp/canvas-core.svg?branch=master)](https://travis-ci.com/bakaphp/canvas-core)
-[![Build Status](https://scrutinizer-ci.com/g/bakaphp/canvas-core/badges/build.png?b=master)](https://scrutinizer-ci.com/g/bakaphp/canvas-core/build-status/master)
+[![Tests](https://github.com/bakaphp/canvas-core/workflows/Tests/badge.svg)](https://github.com/bakaphp/canvas-core/actions?query=workflow%3ATests)