Added a hacking section to help contributors get started
Added a hacking section to help contributors get started

Fixes #13

asciidoctor/asciidoctor-maven-plugin,NicolasGeraud/asciidoctor-maven-plugin,abelsromero/asciidoctor-maven-plugin,abelsromero/asciidoctor-maven-plugin,abelsromero/asciidoctor-maven-plugin,mojavelinux/asciidoctor-maven-plugin,asciidoctor/asciidoctor-maven-plugin,asciidoctor/asciidoctor-maven-plugin