Adds vue-breadcrumbs (#1100)

* Adds vue-breadcrumbs

Not sure on the distinction between UI Components and UI Utilities, so if I've placed it in the wrong section do let me know.

* Moves vue-breadcrumbs addition to the navigation section

README.md

@@ -1060,6 +1060,7 @@ Tooltips / popovers
 
  - [vue-navigation](https://github.com/zack24q/vue-navigation) - A page navigation library, record routes and cache pages, like native app navigation. 一个页面导航库，记录路由并缓存页面，像原生APP导航一样。
  - [vue-acl](https://github.com/leonardovilarinho/vue-acl) - Access Control List for VueJS 2.
+ - [vue-breadcrumbs](https://github.com/samturrell/vue-breadcrumbs) - Implements simple breadcrumb functionality with vue-router for both Vue 1.x and Vue 2.x.
 
 ### Miscellaneous
 - [vue-container](https://github.com/dealloc/vuec) - A simple dependency injection library for Vue 2.