Merge pull request #386 from Sea-n/master

Add syntax highlight to readme

Author: scottchiefbaker

README.md

@@ -50,39 +50,39 @@ git config --global color.diff.whitespace "red reverse"
 
 Should the first block of an empty line be colored. (Default: true)
 
-```
+```shell
 git config --bool --global diff-so-fancy.markEmptyLines false
 ```
 
 ### changeHunkIndicators
 
 Simplify git header chunks to a more human readable format. (Default: true)
 
-```
+```shell
 git config --bool --global diff-so-fancy.changeHunkIndicators false
 ```
 
 ### stripLeadingSymbols
 
 Should the pesky `+` or `-` at line-start be removed. (Default: true)
 
-```
+```shell
 git config --bool --global diff-so-fancy.stripLeadingSymbols false
 ```
 
 ### useUnicodeRuler
 
 By default, the separator for the file header uses Unicode line-drawing characters. If this is causing output errors on your terminal, set this to `false` to use ASCII characters instead. (Default: true)
 
-```
+```shell
 git config --bool --global diff-so-fancy.useUnicodeRuler false
 ```
 
 ### rulerWidth
 
 By default, the separator for the file header spans the full width of the terminal. Use this setting to set the width of the file header manually.
 
-```
+```shell
 git config --global diff-so-fancy.rulerWidth 47    # git log's commit header width
 ```