Add myself as a CODEOWNER for better discoverability (#25231)
Summary:
Not meant to be a landing blocker or anything like that. This only lets me setup some more effective email filters, hopefully allowing me to discover the current changes earlier and be more responsive.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25231
Differential Revision: D17070735
Pulled By: soumith
fbshipit-source-id: 171c8dcd48edf64a9dc3367015e4166baa860c0a
