Small doc changes

CONTRIBUTING.md

@@ -45,4 +45,3 @@ follow the workflow below to make a merge request:
 
 [trello-board]: https://trello.com/invite/b/4MVlkrkg/44a931707bd0b84a5e0bdfc42b9ae4f1/mthmmy
 [discord-server]: https://discord.gg/CVt3yrn
-[gitlab-contributing-guide]: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md

README.md

@@ -2,9 +2,11 @@
 
 [![build status](https://gitlab.com/ThmmyNoLife/mTHMMY/badges/develop/build.svg)](https://gitlab.com/ThmmyNoLife/mTHMMY/commits/develop)
 [![API](https://img.shields.io/badge/API-19%2B-blue.svg?style=flat)](https://android-arsenal.com/api?level=19)
-[![Discord Channel](https://img.shields.io/badge/discord-public@mTHMMY-738bd7.svg?style=flat)](https://discord.gg/CVt3yrn)
+[![Discord Channel](https://img.shields.io/badge/discord-public@mTHMMY-738bd7.svg?style=flat)][discord-server]
+[![Trello Board](https://img.shields.io/badge/trello-mTHMMY-red.svg?style=flat)][trello-board]
 
-mTHMMY is a mobile app for thmmy.gr
+
+mTHMMY is a mobile app for the [thmmy.gr](https://www.thmmy.gr) community.
 
 ## Requirements
 
@@ -16,4 +18,7 @@ Please refer to [CONTRIBUTING.md](/CONTRIBUTING.md) for details.
 
 ## Contact
 
-Do not hesitate to contact us for any matter at `thmmynolife@gmail.com`.
+Do not hesitate to contact us for any matter, either by sending an email to `thmmynolife@gmail.com`, or by joining our [Discord server][discord-server].
+
+[discord-server]: https://discord.gg/CVt3yrn
+[trello-board]: https://trello.com/invite/b/4MVlkrkg/44a931707bd0b84a5e0bdfc42b9ae4f1/mthmmy