Added new Org maintainers (#63)

Addressing #55 #56 and #57

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Signed-off-by: Toddy Mladenov <toddysm@gmail.com>

Author: toddysm

CODEOWNERS

@@ -1,3 +1,3 @@
 # Owners (in alphabetical order)
 # Note: This is only for the notaryproject/.github repo and includes the Org level maintainers
-* @FeynmanZhou @gokarnm @justincormack @niazfk @priteshbandi @stevelasker @toddysm @vaninrao10 @yizha1
+* @FeynmanZhou @gokarnm @justincormack @niazfk @priteshbandi @shizhMSFT @stevelasker @toddysm @vaninrao10 @yizha1

MAINTAINERS

@@ -2,14 +2,15 @@
 # Pattern: [First Name] [Last Name] <[Email Address]> ([GitHub Handle])
 Justin Cormack <justin.cormack@docker.com> (@justincormack)
 Niaz Khan <niazfk@amazon.com> (@niazfk)
+Pritesh Bandi <priteshbandi@gmail.com> (@priteshbandi)
+Shiwei Zhang <shizh@microsoft.com> (@shizhMSFT)
 Steve Lasker <StevenLasker@hotmail.com> (@stevelasker)
+Toddy Mladenov <toddysm@gmail.com> (@toddysm)
 
 # Repo-Level Maintainers (in alphabetical order)
 # Pattern: [First Name] [Last Name] <[Email Address]> ([GitHub Handle])
 # Note: This is only for the notaryproject/.github repo
 Feynman Zhou <feynmanzhou@microsoft.com> (@FeynmanZhou)
 Milind Gokarn <gokarnm@amazon.com> (@gokarnm)
-Pritesh Bandi <priteshbandi@gmail.com> (@priteshbandi)
-Toddy Mladenov <toddysm@gmail.com> (@toddysm)
 Vani Rao <vaninrao@amazon.com> (@vaninrao10)
 Yi Zha <yizha1@microsoft.com> (@yizha1)