Add Daniel's (Red Hat) contact details

docs/support/redhat.md

 # Red Hat support
 
+## Red Hat contacts
+
+As of March 2022, our local contact for Red Hat related matters is Daniel Perret ("Key Account Manager").
+
+dperret@redhat.com
+
+M:(+41)794031324
+
+
 ## Licenses
 
 As of March 2022, CERN has an academic site-license which permits unlimited access for the RHEL product. Whilst unlimited, there is no support included (Red Hat calls this 'self support')
@@ -73,3 +82,4 @@ aims2client --testserver addimg --name RHEL_7_9_X86_64 --arch x86_64 --descripti
 ## Support cases
 
 In order to open a ticket, ask if a colleague added your account for RedHat support (as part of the onboarding steps), you can report cases on <https://access.redhat.com/support/cases/>
+