added link to translations instructions

README.md

@@ -25,7 +25,7 @@ arch -x86_64 pod install
 * Consider buying paid support: https://tinode.co/support.html
 * If you are a software developer, send us your pull requests with bug fixes and new features.
 * If you use the app and discover bugs or missing features, let us know by filing bug reports and feature requests. Vote for existing feature requests you find most valuable.
-* If you speak a language other than English, translate the apps into your language. You may also review and improve existing translations.
+* If you speak a language other than English, [translate](https://github.com/tinode/chat/blob/devel/docs/translations.md#ios) the apps into your language. You may also review and improve existing translations.
 * If you are a UI/UX expert, help us polish the app UI.
 * Use it: install it for your colleagues or friends at work or at home. Please [contact us](https://tinode.co/contact) if you want to participate in [TestFlight](https://developer.apple.com/testflight/).