Acknowledge swissuniversities in the README and in the docs (#3723)

Also add the swissuniversities logo

README.md

@@ -62,10 +62,11 @@ For a list of other open source components included in AiiDA, see [`open_source_
 
 ## Acknowledgements
 
-This work is supported by the [MARVEL National Centre for Competency in
-Research](<http://nccr-marvel.ch>) funded by the [Swiss National
-Science Foundation](<http://www.snf.ch/en>), as well as by the [MaX
-European Centre of Excellence](<http://www.max-centre.eu/>) funded by
-the Horizon 2020 EINFRA-5 program, Grant No. 676598.
-
-<img src="docs/source/images/MARVEL.png" alt="AiiDA" style="padding:10px;" width="150"/> <img src="docs/source/images/MaX.png" alt="AiiDA" style="padding:10px;" width="250"/>
+This work is supported by:
+* the [MARVEL National Centre for Competency in Research](http://nccr-marvel.ch) funded by the [Swiss National Science Foundation](http://www.snf.ch/en);
+* the [MaX European Centre of Excellence](http://www.max-centre.eu/) funded by the Horizon 2020 EINFRA-5 program, Grant No. 676598;
+* the [swissuniversities P-5 project "Materials Cloud"](https://www.materialscloud.org/swissuniversities).
+
+<img src="docs/source/images/MARVEL.png" alt="MARVEL" style="padding:10px;" width="150"/>
+<img src="docs/source/images/MaX.png" alt="MaX" style="padding:10px;" width="250"/>
+<img src="docs/source/images/swissuniversities.png" alt="swissuniversities" style="padding:10px;" width="250"/>

docs/source/index.rst

@@ -110,9 +110,10 @@ If you use AiiDA for your research, please cite the following work:
 Acknowledgements
 ****************
 
-This work is supported by the `MARVEL National Centre for Competency in Research`_
-funded by the `Swiss National Science Foundation`_, as well as by the
-`MaX European Centre of Excellence`_ funded by the Horizon 2020 EINFRA-5 program, Grant No. 676598.
+This work is supported by:
+* the `MARVEL National Centre for Competency in Research`_ funded by the `Swiss National Science Foundation`_;
+* the `MaX European Centre of Excellence`_ funded by the Horizon 2020 EINFRA-5 program, Grant No. 676598;
+* the `swissuniversities P-5 project "Materials Cloud"`_.
 
 .. image:: images/MARVEL.png
    :height: 100px
@@ -122,6 +123,11 @@ funded by the `Swiss National Science Foundation`_, as well as by the
    :height: 80px
    :target: `MaX European Centre of Excellence`_
 
+.. image:: images/swissuniversities.png
+   :height: 35px
+   :target: `swissuniversities P-5 project "Materials Cloud"`_
+
 .. _MARVEL National Centre for Competency in Research: http://www.marvel-nccr.ch
 .. _Swiss National Science Foundation: http://www.snf.ch/en
 .. _MaX European Centre of Excellence: http://www.max-centre.eu
+.. _swissuniversities P-5 project "Materials Cloud": https://www.materialscloud.org/swissuniversities