1.9 (#62)

* Destroys the vue instance when the route is changed

* Add new doc helper

* Update docs

src/tpl.js

@@ -72,3 +72,6 @@ export function tree (toc, tpl = '') {
   return tpl
 }
 
+export function helper (className, content) {
+  return `<p class="${className}">${content.slice(5).trim()}</p>`
+}