Updated number of translated languages.

Thanks to translators and xet7 !

README.md

@@ -52,7 +52,7 @@ that by providing one-click installation on various platforms.
 
 - Wekan is used in [most countries of the world](https://snapcraft.io/wekan).
 - Wekan largest user has 13k users using Wekan in their company.
-- Wekan has been [translated](https://transifex.com/wekan/wekan) to about 62 languages.
+- Wekan has been [translated](https://transifex.com/wekan/wekan) to about 63 languages.
 - [Features][features]: Wekan has real-time user interface.
 - [Platforms][platforms]: Wekan supports many platforms.
   Wekan is critical part of new platforms Wekan is currently being integrated to.