Added github actions to test the build
Added github actions to test the build

The build will be tested on:
Ubuntu 18.04, Latest Mac OSX and Windows 2016

Using JDK on each operating system:
8, 11, 15 and 16-ea

hazendaz/mybatis-3,wuwen5/mybatis-3,mybatis/mybatis-3,langlan/mybatis-3,raupachz/mybatis-3