Merge pull request #1014 from qiboteam/matrix

Matrix

README.md

@@ -3,6 +3,7 @@
 ![Tests](https://github.com/qiboteam/qibo/workflows/Tests/badge.svg)
 [![codecov](https://codecov.io/gh/qiboteam/qibo/branch/master/graph/badge.svg?token=1EKZKVEVX0)](https://codecov.io/gh/qiboteam/qibo)
 [![DOI](https://zenodo.org/badge/241307936.svg)](https://zenodo.org/badge/latestdoi/241307936)
+[![Matrix](https://img.shields.io/matrix/qibo%3Amatrix.org?logo=matrix)](https://matrix.to/#/#qibo:matrix.org)
 
 Qibo is an open-source full stack API for quantum simulation and quantum hardware control.
 
@@ -51,6 +52,12 @@ In both cases, the simulation will run in a single device CPU or GPU in double p
 
 If you use the package please refer to [the documentation](https://qibo.science/qibo/stable/appendix/citing-qibo.html#publications) for citation instructions.
 
+## Contacts
+
+To get in touch with the community and the developers, consider joining the Qibo workspace on Matrix:
+
+https://matrix.to/#/#qibo:matrix.org
+
 ## Supporters and collaborators
 
 - Quantum Research Center, Technology Innovation Institute (TII), United Arab Emirates