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/thumbnails.less

@@ -2,7 +2,6 @@
 // Thumbnails
 // --------------------------------------------------
 
-
 // Mixin and adjust the regular image class
 .thumbnail {
   display: block;
@@ -12,7 +11,7 @@
   background-color: @thumbnail-bg;
   border: 1px solid @thumbnail-border;
   border-radius: @thumbnail-border-radius;
-  .transition(border .2s ease-in-out);
+  .transition(border 0.2s ease-in-out);
 
   > img,
   a > img {