maint: add Avi to maintainers

Signed-off-by: Josh Dolitsky <josh@dolit.ski>

MAINTAINERS

@@ -1,6 +1,7 @@
+Avi Deitcher <avi@deitcher.net> (deitch)
+Jimmy Zelinskie <jimmyzelinskie@gmail.com> (@jzelinskie)
 Josh Dolitsky <josh@dolit.ski> (@jdolitsky)
-Shiwei Zhang <shizh@microsoft.com> (@shizhMSFT)
 Sajay Antony <sajaya@microsoft.com> (@sajayantony)
+Shiwei Zhang <shizh@microsoft.com> (@shizhMSFT)
 Steve Lasker <steve.lasker@microsoft.com> (@stevelasker)
-Jimmy Zelinskie <jimmyzelinskie@gmail.com> (@jzelinskie)
-Vincent Batts <vbatts@hashbangbash.com> (@vbatts)
+Vincent Batts <vbatts@hashbangbash.com> (@vbatts)