add: plugins/zsh-syntax-highlighting.

plugins/zsh-syntax-highlighting/README.md

@@ -0,0 +1,52 @@
+zsh-syntax-highlighting
+=======================
+
+**[Fish shell](http://www.fishshell.com) like syntax highlighting for [Zsh](http://www.zsh.org).**
+
+*Requirements: zsh 4.3.9+.*
+
+
+How to install
+--------------
+
+### Using packages
+
+* Arch Linux: [AUR/zsh-syntax-highlighting](https://aur.archlinux.org/packages.php?ID=54171) / [AUR/zsh-syntax-highlighting-git](https://aur.archlinux.org/packages.php?ID=50867)
+* Gentoo: [mv overlay](http://gpo.zugaina.org/app-shells/zsh-syntax-highlighting)
+
+### In your ~/.zshrc
+
+* Download the script or clone this repository:
+
+        git clone git://github.com/zsh-users/zsh-syntax-highlighting.git
+
+* Source the script **at the end** of `~/.zshrc`:
+
+        source /path/to/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
+
+* Source `~/.zshrc`  to take changes into account:
+
+        source ~/.zshrc
+
+
+### With oh-my-zsh
+
+* Download the script or clone this repository in [oh-my-zsh](http://github.com/robbyrussell/oh-my-zsh) plugins directory:
+
+        cd ~/.oh-my-zsh/custom/plugins
+        git clone git://github.com/zsh-users/zsh-syntax-highlighting.git
+
+* Activate the plugin in `~/.zshrc` (in **last** position):
+
+        plugins=( [plugins...] zsh-syntax-highlighting)
+
+* Source `~/.zshrc`  to take changes into account:
+
+        source ~/.zshrc
+
+
+How to tweak
+------------
+
+Syntax highlighting is done by pluggable highlighter scripts, see the [highlighters directory](highlighters)
+for documentation and configuration settings.