docs(Authors): update list of significant authors

AUTHORS.md

@@ -4,5 +4,11 @@ This is the list of BPDM's significant contributors.
 
 This does not necessarily list everyone who has contributed code. To see the full list of contributors, see the revision history in source control.
 
+* [Martin Kaeser](https://github.com/martinfkaeser)
 * [Nico Koprowski](https://github.com/nicoprow)
+* [Cezar Morais](https://github.com/cezaralexandremorais)
+* [Fabio Mota](https://github.com/fabiodmota)
+* [Rainer Schneider](https://github.com/rainer-exxcellent)
+* [Alexandre Silva](https://github.com/alexsilva-CGI)
+* [Karne Sujit](https://github.com/SujitMBRDI)
 * [Patrick Zeller](https://github.com/pazepaze)