add iot team as codeowners
/sdk/platform/http_client/ @vhvb1989
/sdk/platform/win32/ @antkmsft @jeffreyrichter
/sdk/storage/ @gilbertw
+/sdk/iot/ @CIPop @danewalton @ericwol-msft @ewertons @hihigupt @jspaith
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# Eng Sys
