Setup CI tests (#100)

* use @xarc/xrun to streamline tasks in an imperative manner

* add lint-staged/husky for git hook tasks

* run prettier across all files

* fixing tests

* add ci test workflow

* add a ci workflow

* remove precommit in favor of husky

* add .prettierrc.js

* reformat with prettier

assets/js/options.jsx

@@ -10,7 +10,4 @@ var ReactDOM = require('react-dom');
 // React components
 var Options = require('./components/Options.jsx');
 
-ReactDOM.render(
-    <Options />,
-    document.getElementById('wakatime-options')
-);
+ReactDOM.render(<Options />, document.getElementById('wakatime-options'));