Update vue-loader link (vuejs-templates#886)

docs/README.md

@@ -1,6 +1,6 @@
 # Introduction
 
-This boilerplate is targeted towards large, serious projects and assumes you are somewhat familiar with Webpack and `vue-loader`. Make sure to also read [`vue-loader`'s documentation](http://vuejs.github.io/vue-loader/index.html) for common workflow recipes.
+This boilerplate is targeted towards large, serious projects and assumes you are somewhat familiar with Webpack and `vue-loader`. Make sure to also read [`vue-loader`'s documentation](https://vue-loader.vuejs.org/) for common workflow recipes.
 
 If you just want to try out `vue-loader` or whip out a quick prototype, use the [webpack-simple](https://github.com/vuejs-templates/webpack-simple) template instead.