add some backup codeowners (#610)

sanscontext · web-flow · commit 1b727ffe075d · 2020-02-06T16:46:10.000-08:00
diff --git a/CODEOWNERS b/CODEOWNERS
@@ -1,6 +1,6 @@
 # The default owners for everything in
 # the repo. Unless a later match takes precedence.
-CODEOWNERS  @sanscontext
+CODEOWNERS  @sanscontext @XavierAgostini @danielstjules @stephment
 
 # Content owners should be in the order of PM, TL (team-lead), and EM (in a crisis) for a given team.
 # This team will receive review requests automatically when a PR is submitted modifying the files in
