Anki add-on: Mini Format Pack Supplementary

As the add-on's name is is supplementary of Mini Format Pack . Actually I am try to imitate the old add-on Power Format Pack . But note if you have install Mini Format Pack, this add-on will change the behavior a little about that code button, which will just wrap <pre class="myCodeClass">...</pre> for your current selected text. And it has such new features: 1. It can add inline tag <code> and <kbd> tag 2. It can remove <pre> tag and </code> Update 2019-08-16 1. Imporove the button of remove pre tag 2. Add a button for adding <kbd> tag 2019-08-28 1. Add a Pinyin for single Chinese character 2020-01-23 1. Compatible other system to fix the crash