added ref to bulgarian translation

README.md

@@ -1,8 +1,7 @@
 # sway
 
 [**English**](https://github.com/swaywm/sway/blob/master/README.md#sway--) - [日本語](https://github.com/swaywm/sway/blob/master/README.ja.md#sway--) - [Deutsch](https://github.com/swaywm/sway/blob/master/README.de.md#sway--) - [Ελληνικά](https://github.com/swaywm/sway/blob/master/README.el.md#sway--) - [Français](https://github.com/swaywm/sway/blob/master/README.fr.md#sway--) - [Українська](https://github.com/swaywm/sway/blob/master/README.uk.md#sway--) - [Italiano](https://github.com/swaywm/sway/blob/master/README.it.md#sway--) - [Português](https://github.com/swaywm/sway/blob/master/README.pt.md#sway--) -
-[Русский](https://github.com/swaywm/sway/blob/master/README.ru.md#sway--)
+[Русский](https://github.com/swaywm/sway/blob/master/README.ru.md#sway--) - [Български](https://github.com/swaywm/sway/blob/master/README.bg.md#sway--)
-[Български](https://github.com/swaywm/sway/blob/master/README.bg.md#sway--)
 
 "**S**irCmpwn's **Way**land compositor" is a **work in progress**
 i3-compatible [Wayland](http://wayland.freedesktop.org/) compositor.