feat: add dark mode

exampleSite/config.toml

@@ -2,7 +2,7 @@ baseURL = "http://example.org/"
 languageCode = "en-us"
 title = "Ezhil"
 theme = "ezhil"
-paginate = 5
+paginate = 3
 
 copyright = "© Copyright notice"
 
@@ -17,6 +17,7 @@ disqusShortname = "localhost"
 	subtitle = "Clean and minimal personal [blog theme for Hugo](https://github.com/vividvilla/ezhil)"
 	disableDisqusTypes = ["page"]
 	featherIconsCDN = true
+	mode = "auto" # "dark" or "auto"
 
 [[menu.main]]
 name = "Home"

exampleSite/content/posts/post-7.md

@@ -0,0 +1,14 @@
+---
+title: "How to test dark mode?"
+description: "Here is how you can setup dark mode for Ezhil and test on various OS like iOS, Android, macOS and Windows 10."
+date: 2018-03-18T12:13:38+05:30
+---
+
+You can set dark mode as default by setting `params.mode` to `dark` in `config.toml` or set it to `auto` which will detect based on your OS and switch to dark mode. For more details [refer documentation](https://github.com/vividvilla/ezhil#configuration)
+
+Here is how you can switch based on your OS
+
+* [iOS](https://www.howtogeek.com/440078/how-to-enable-dark-mode-on-your-iphone-and-ipad/)
+* [Android](https://9to5google.com/2018/12/17/android-dark-mode-theme-pie/)
+* [macOS](https://support.apple.com/en-in/HT208976)
+* [Windows 10](https://www.cnet.com/how-to/turn-on-the-dark-mode-in-windows-10/)