Added contributing projects in Credits page

CREDITS.md

@@ -1,10 +1,17 @@
 # Contributors to the Stellio project
 
-Benoit Orihuela <bobeal>
-Houcem Kacem <HoucemKacem>
-Gael Poujol <gpoujol>
-Philippe Stoltz <philippestoltz>
-Vincent Raybaud <vraybaud>
-Ahmed Abid <ahabid>
-Poulomi Nandy <PoulomiNandy>
-Jason Fox <jason-fox>
+Benoit Orihuela <bobeal>  
+Houcem Kacem <HoucemKacem>  
+Gael Poujol <gpoujol>  
+Philippe Stoltz <philippestoltz>  
+Vincent Raybaud <vraybaud>  
+Ahmed Abid <ahabid>  
+Poulomi Nandy <PoulomiNandy>  
+Jason Fox <jason-fox>  
+
+# Supporting projects
+The development of this NGSI-LD context broker received contributions (and has been intensively used) from the following projects
+- H2020 [IFISHIENCI](https://ifishienci.eu/) (Grant agreement 818036)
+- H2020 [ADEPTNESS](https://adeptness.eu/) (Grant agreement 871319)
+- H2020 [GRACED](https://graced.tech/) (Grant agreement 101007448)
+- H2020 [ASTRAL](https://www.astral-project.eu/) (Grant agreement 863034)