And notice shortcodes (#537)

* Added information panel shortcodes (#437)

* Added information panel shortcodes

* Fixed dark mixin

* Moved mixin location to correct location

Co-authored-by: Luiz F. A. de Prá <luizdepra@users.noreply.github.com>

* Fix SCSS styling

* Update generated files

* Fix notice HTML

* Fix Makefile

* Rename JS file

* Adsd emoji support for lang selectors

* Fix notices and other things

* Fix JS on template

* Update  example content

* Update images

* Update generated files

* Fix netlify preview

* Fix netlify preview build

* Fix netlify theme path

Co-authored-by: Jian Liew <jianloongliew@gmail.com>

exampleSite/content/posts/rich-content.md

@@ -0,0 +1,34 @@
++++
+author = "Hugo Authors"
+title = "Rich Content"
+date = "2019-03-10"
+description = "A brief description of Hugo Shortcodes"
+tags = [
+    "shortcodes",
+    "privacy",
+]
++++
+
+Hugo ships with several [Built-in Shortcodes](https://gohugo.io/content-management/shortcodes/#use-hugos-built-in-shortcodes) for rich content, along with a [Privacy Config](https://gohugo.io/about/hugo-and-gdpr/) and a set of Simple Shortcodes that enable static and no-JS versions of various social media embeds.
+<!--more-->
+---
+
+## YouTube Privacy Enhanced Shortcode
+
+{{< youtube ZJthWmvUzzc >}}
+
+<br>
+
+---
+
+## Twitter Simple Shortcode
+
+{{< twitter_simple 1085870671291310081 >}}
+
+<br>
+
+---
+
+## Vimeo Simple Shortcode
+
+{{< vimeo_simple 48912912 >}}