Added emoji icon integration (#1575)

* Add emoji icons

* Generate new build and ensure build is sane on WSL (windows)

Normalize line endings to ensure when building in Windows Subsystem
for Linux that the results are sane.
Build new JS and CSS.

* Attempt to fix netlify issue

docs/extensions/pymdown.md

@@ -201,6 +201,35 @@ To view all the available short names and emoji available, see
 files containing the short names and emoji associated with each supported
 index.
 
+In addition, you can access all the Material icons and Fontawesome icons by using
+MkDocs Material's custom emoji index. It extends the Twemoji index with new short
+names that access any of the included icons. To use the custom index, you need to
+use the following options when including the Emoji extension:
+
+```
+  - pymdownx.emoji:
+      emoji_index: !!python/name:material.emoji.material
+      emoji_generator: !!python/name:material.emoji.to_svg
+```
+
+Then we can access any of the icons:
+
+=== "Markdown"
+    ```
+    We can use Material Icons :material-airplane:.
+
+    We can also use Fontawesome Icons :fontawesome-solid-ambulance:.
+
+    That's not all, we can also use Octicons :octicons-octoface:.
+    ```
+
+=== "Results"
+    We can use Material Icons :material-airplane:.
+
+    We can also use Fontawesome Icons :fontawesome-solid-ambulance:.
+
+    That's not all, we can also use Octicons :octicons-octoface:.
+
 !!! warning "Legal disclaimer"
 
     Material has no affiliation with [JoyPixles][15] or [Twemoji][14], both