Dark mode for documentation (#56)

Dark mode for documentation

Author: ok-nick

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Rodux Changelog
 
+## Unreleased Changes
+* Added color schemes for documentation based on user preference ([#56](https://github.com/Roblox/rodux/pull/56)).
+
 ## 1.0.0 (2019-09-18)
 * Added `combineReducers` utility, mirroring Redux's ([#9](https://github.com/Roblox/rodux/pull/9))
 * Added `createReducer` utility, similar to `redux-create-reducer` ([#10](https://github.com/Roblox/rodux/pull/10))
@@ -14,4 +17,4 @@
 * Added `makeActionCreator` utility for common action creator pattern ([#35](https://github.com/Roblox/rodux/pull/35))
 
 ## Public Release (2017-12-13)
-* Initial release!
+* Initial release!

mkdocs.yml

@@ -7,6 +7,7 @@ theme:
   palette:
     primary: 'Light Blue'
     accent: 'Light Blue'
+    scheme: preference
 
 pages:
   - Home: index.md
@@ -30,4 +31,4 @@ markdown_extensions:
       guess_lang: false
   - toc:
       permalink: true
-  - pymdownx.superfences
+  - pymdownx.superfences