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/less/bootstrap/mixins/clearfix.less

@@ -13,7 +13,7 @@
 .clearfix() {
   &:before,
   &:after {
-    content: " "; // 1
+    content: ' '; // 1
     display: table; // 2
   }
   &:after {