Added some MO lab folks.

Author: pelson

contributors.json

@@ -24,6 +24,8 @@
 { "profile_name":"yaswant", "organisation":"Met Office"},
 { "profile_name":"kaedonkers", "organisation":"Met Office"},
 { "profile_name":"pdearnshaw", "organisation":"Met Office"},
+{ "profile_name":"meganfitzsimons", "organisation":"Met Office"},
+{ "profile_name":"niallrobinson", "organisation":"Met Office"},
 { "profile_name":"dmcdougall", "organisation":""},
 { "profile_name":"cgohlke", "organisation":""},
 { "profile_name":"sgtp", "organisation":"intelliLeaf ltd"},