doc: add forgotten contributors to title page (sorry)

Author: wilfwilson

doc/z-title.xml

@@ -32,22 +32,34 @@
     <Homepage>https://mct25.host.cs.st-andrews.ac.uk</Homepage>
   </Author>
 
+  <Author>Marina Anagnostopoulou-Merkouri</Author>
+
+  <Author>Finn Buck</Author>
+
   <Author>Stuart Burrell</Author>
 
   <Author>Reinis Cirpons</Author>
 
+  <Author>Tom Conti-Leslie</Author>
+
   <Author>Luke Elliott</Author>
 
+  <Author>Ewan Gilligan</Author>
+
   <Author>Max Horn</Author>
 
   <Author>Christopher Jefferson</Author>
 
   <Author>Markus Pfeiffer</Author>
 
+  <Author>Lea Racine</Author>
+
   <Author>Christopher Russell</Author>
 
   <Author>Finn Smith</Author>
 
+  <Author>Ben Spiers</Author>
+
   <Author>Murray White</Author>
 
   <Copyright>&copyright; &COPYRIGHTYEARS; by