Add tiny to plugins README

plugins/README.md

@@ -36,6 +36,7 @@
 * [__rvm__](https://github.com/bpinto/oh-my-fish/tree/master/plugins/rvm) – [RVM](http://rvm.io) Ruby version manager.
 * [__ssh__](https://github.com/bpinto/oh-my-fish/tree/master/plugins/ssh) – ssh conservative $TERM value helper.
 * [__sublime__](https://github.com/bpinto/oh-my-fish/tree/master/plugins/sublime) – Creates `subl` command line shortcut to launch [Sublime Text editor](http://sublimetext.com/).
+* [__tiny__](https://github.com/bpinto/oh-my-fish/tree/master/plugins/tiny) - tap into github's git.io URL shortener.
 * [__tmux__](https://github.com/bpinto/oh-my-fish/tree/master/plugins/tmux) – Plugin to start tmux with support for 256 colours.
 * [__vi-mode__](https://github.com/bpinto/oh-my-fish/tree/master/plugins/vi-mode) – Basic vi key bindings emulation for fish.
 * [__xdg__](https://github.com/bpinto/oh-my-fish/tree/master/plugins/xdg) – Setup [xdg](http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html) environment on Linux.