Change links on deployment guide (vuejs#1104)

* fix extract css related link

* change to secureable schema

Author: kazupon

src/v2/guide/deployment.md

@@ -77,9 +77,9 @@ When using Single-File Components, the CSS inside components are injected dynami
 
 Refer to the respective build tool documentations to see how it's done:
 
-- [Webpack + vue-loader](http://vue-loader.vuejs.org/en/configurations/extract-css.html) (the `vue-cli` webpack template has this pre-configured)
+- [Webpack + vue-loader](https://vue-loader.vuejs.org/en/configurations/extract-css.html) (the `vue-cli` webpack template has this pre-configured)
 - [Browserify + vueify](https://github.com/vuejs/vueify#css-extraction)
-- [Rollup + rollup-plugin-vue](https://github.com/znck/rollup-plugin-vue#options)
+- [Rollup + rollup-plugin-vue](https://vuejs.github.io/rollup-plugin-vue/#/en/2.3/?id=custom-handler)
 
 ## Tracking Runtime Errors