Update readme (#37)

* feat: update readme

* fix: deleted trailing whitespace

README.md

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 [![Test](https://github.com/robotics-laboratory/handy/actions/workflows/test.yml/badge.svg?branch=master)](https://github.com/robotics-laboratory/handy/actions/workflows/test.yml)
 
 # Mr. Handy
-Robotics manipulator Mr. Handy
+
+**Handy** is an open-source project maintained by [HSE Robotics Group](https://cs.hse.ru/robotics/).
+Our goal is to design and develop a robotics manipulator that will be able to play table tennis.
+All code, [datasets](https://github.com/robotics-laboratory/handy/blob/master/datasets/README.md),
+models and development instruction are and will always be available online.
+
+Track our progress on [YouTube](https://www.youtube.com/playlist?list=PLR1nN_AQOO9y8Mu9iDmPTGJb1O5937Lrn)
+and [Telegram channel "Robot Tales"](https://t.me/robot_tales).